Home / 731,640.90-1,097,461.35-310,862.10

Finding the Fourth Proportional to 731,640.90, 1,097,461.35 and 310,862.10

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Solution

The fourth proportional to 731,640.90, 1,097,461.35 and 310,862.10 is: 466,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,640.90 : 1,097,461.35 = 310,862.10 : x
  2. Step 2: Convert to fraction form
    731,640.90/1,097,461.35 = 310,862.10/x
  3. Step 3: Cross multiply
    731,640.90x = 1,097,461.35 × 310,862.10
  4. Step 4: Simplify right side
    731,640.90x = 341,159,139,929.84
  5. Step 5: Solve for x
    x = 341,159,139,929.84/731,640.90
  6. Step 6: Final answer
    x = 466,293.15

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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.