Home / 914,535.20-1,371,802.80-283,642.40

Finding the Fourth Proportional to 914,535.20, 1,371,802.80 and 283,642.40

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Solution

The fourth proportional to 914,535.20, 1,371,802.80 and 283,642.40 is: 425,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,535.20 : 1,371,802.80 = 283,642.40 : x
  2. Step 2: Convert to fraction form
    914,535.20/1,371,802.80 = 283,642.40/x
  3. Step 3: Cross multiply
    914,535.20x = 1,371,802.80 × 283,642.40
  4. Step 4: Simplify right side
    914,535.20x = 389,101,438,518.72
  5. Step 5: Solve for x
    x = 389,101,438,518.72/914,535.20
  6. Step 6: Final answer
    x = 425,463.60

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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.