Home / 693,434.60-1,040,151.90-338,503.40

Finding the Fourth Proportional to 693,434.60, 1,040,151.90 and 338,503.40

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Solution

The fourth proportional to 693,434.60, 1,040,151.90 and 338,503.40 is: 507,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,434.60 : 1,040,151.90 = 338,503.40 : x
  2. Step 2: Convert to fraction form
    693,434.60/1,040,151.90 = 338,503.40/x
  3. Step 3: Cross multiply
    693,434.60x = 1,040,151.90 × 338,503.40
  4. Step 4: Simplify right side
    693,434.60x = 352,094,954,666.46
  5. Step 5: Solve for x
    x = 352,094,954,666.46/693,434.60
  6. Step 6: Final answer
    x = 507,755.10

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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.