Home / 729,298.76-1,006,334.99-423,371.64

Finding the Fourth Proportional to 729,298.76, 1,006,334.99 and 423,371.64

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Solution

The fourth proportional to 729,298.76, 1,006,334.99 and 423,371.64 is: 584,196.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,298.76 : 1,006,334.99 = 423,371.64 : x
  2. Step 2: Convert to fraction form
    729,298.76/1,006,334.99 = 423,371.64/x
  3. Step 3: Cross multiply
    729,298.76x = 1,006,334.99 × 423,371.64
  4. Step 4: Simplify right side
    729,298.76x = 426,053,689,859.27
  5. Step 5: Solve for x
    x = 426,053,689,859.27/729,298.76
  6. Step 6: Final answer
    x = 584,196.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.