Home / 705,967.71-1,059,386.18-279,430.92

Finding the Fourth Proportional to 705,967.71, 1,059,386.18 and 279,430.92

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Solution

The fourth proportional to 705,967.71, 1,059,386.18 and 279,430.92 is: 419,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,967.71 : 1,059,386.18 = 279,430.92 : x
  2. Step 2: Convert to fraction form
    705,967.71/1,059,386.18 = 279,430.92/x
  3. Step 3: Cross multiply
    705,967.71x = 1,059,386.18 × 279,430.92
  4. Step 4: Simplify right side
    705,967.71x = 296,025,253,515.53
  5. Step 5: Solve for x
    x = 296,025,253,515.53/705,967.71
  6. Step 6: Final answer
    x = 419,318.40

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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.