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Finding the Fourth Proportional to 564,943.71, 779,637.55 and 332,386.88

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Solution

The fourth proportional to 564,943.71, 779,637.55 and 332,386.88 is: 458,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,943.71 : 779,637.55 = 332,386.88 : x
  2. Step 2: Convert to fraction form
    564,943.71/779,637.55 = 332,386.88/x
  3. Step 3: Cross multiply
    564,943.71x = 779,637.55 × 332,386.88
  4. Step 4: Simplify right side
    564,943.71x = 259,141,292,775.34
  5. Step 5: Solve for x
    x = 259,141,292,775.34/564,943.71
  6. Step 6: Final answer
    x = 458,702.86

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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.