Home / 572,320.40-857,336.06-344,490.88

Finding the Fourth Proportional to 572,320.40, 857,336.06 and 344,490.88

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Solution

The fourth proportional to 572,320.40, 857,336.06 and 344,490.88 is: 516,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,320.40 : 857,336.06 = 344,490.88 : x
  2. Step 2: Convert to fraction form
    572,320.40/857,336.06 = 344,490.88/x
  3. Step 3: Cross multiply
    572,320.40x = 857,336.06 × 344,490.88
  4. Step 4: Simplify right side
    572,320.40x = 295,344,453,765.13
  5. Step 5: Solve for x
    x = 295,344,453,765.13/572,320.40
  6. Step 6: Final answer
    x = 516,047.40

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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.