Home / 636,979.29-950,365.85-508,296.21

Finding the Fourth Proportional to 636,979.29, 950,365.85 and 508,296.21

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Solution

The fourth proportional to 636,979.29, 950,365.85 and 508,296.21 is: 758,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,979.29 : 950,365.85 = 508,296.21 : x
  2. Step 2: Convert to fraction form
    636,979.29/950,365.85 = 508,296.21/x
  3. Step 3: Cross multiply
    636,979.29x = 950,365.85 × 508,296.21
  4. Step 4: Simplify right side
    636,979.29x = 483,067,360,939.17
  5. Step 5: Solve for x
    x = 483,067,360,939.17/636,979.29
  6. Step 6: Final answer
    x = 758,372.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.