Home / 868,008.10-1,302,012.15-236,985.70

Finding the Fourth Proportional to 868,008.10, 1,302,012.15 and 236,985.70

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Solution

The fourth proportional to 868,008.10, 1,302,012.15 and 236,985.70 is: 355,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,008.10 : 1,302,012.15 = 236,985.70 : x
  2. Step 2: Convert to fraction form
    868,008.10/1,302,012.15 = 236,985.70/x
  3. Step 3: Cross multiply
    868,008.10x = 1,302,012.15 × 236,985.70
  4. Step 4: Simplify right side
    868,008.10x = 308,558,260,776.26
  5. Step 5: Solve for x
    x = 308,558,260,776.26/868,008.10
  6. Step 6: Final answer
    x = 355,478.55

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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.