Home / 723,215.59-1,085,004.11-510,398.89

Finding the Fourth Proportional to 723,215.59, 1,085,004.11 and 510,398.89

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Solution

The fourth proportional to 723,215.59, 1,085,004.11 and 510,398.89 is: 765,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,215.59 : 1,085,004.11 = 510,398.89 : x
  2. Step 2: Convert to fraction form
    723,215.59/1,085,004.11 = 510,398.89/x
  3. Step 3: Cross multiply
    723,215.59x = 1,085,004.11 × 510,398.89
  4. Step 4: Simplify right side
    723,215.59x = 553,784,891,952.93
  5. Step 5: Solve for x
    x = 553,784,891,952.93/723,215.59
  6. Step 6: Final answer
    x = 765,725.88

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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.