Home / 510,354.24-763,659.02-425,905.90

Finding the Fourth Proportional to 510,354.24, 763,659.02 and 425,905.90

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Solution

The fourth proportional to 510,354.24, 763,659.02 and 425,905.90 is: 637,296.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,354.24 : 763,659.02 = 425,905.90 : x
  2. Step 2: Convert to fraction form
    510,354.24/763,659.02 = 425,905.90/x
  3. Step 3: Cross multiply
    510,354.24x = 763,659.02 × 425,905.90
  4. Step 4: Simplify right side
    510,354.24x = 325,246,882,206.22
  5. Step 5: Solve for x
    x = 325,246,882,206.22/510,354.24
  6. Step 6: Final answer
    x = 637,296.33

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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.