Home / 868,036.12-1,300,813.50-488,159.56

Finding the Fourth Proportional to 868,036.12, 1,300,813.50 and 488,159.56

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Solution

The fourth proportional to 868,036.12, 1,300,813.50 and 488,159.56 is: 731,541.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,036.12 : 1,300,813.50 = 488,159.56 : x
  2. Step 2: Convert to fraction form
    868,036.12/1,300,813.50 = 488,159.56/x
  3. Step 3: Cross multiply
    868,036.12x = 1,300,813.50 × 488,159.56
  4. Step 4: Simplify right side
    868,036.12x = 635,004,545,802.06
  5. Step 5: Solve for x
    x = 635,004,545,802.06/868,036.12
  6. Step 6: Final answer
    x = 731,541.62

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.