Home / 901,547.10-1,352,104.65-521,646.30

Finding the Fourth Proportional to 901,547.10, 1,352,104.65 and 521,646.30

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Solution

The fourth proportional to 901,547.10, 1,352,104.65 and 521,646.30 is: 782,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,547.10 : 1,352,104.65 = 521,646.30 : x
  2. Step 2: Convert to fraction form
    901,547.10/1,352,104.65 = 521,646.30/x
  3. Step 3: Cross multiply
    901,547.10x = 1,352,104.65 × 521,646.30
  4. Step 4: Simplify right side
    901,547.10x = 705,320,387,885.30
  5. Step 5: Solve for x
    x = 705,320,387,885.30/901,547.10
  6. Step 6: Final answer
    x = 782,344.47

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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.