Home / 834,707.52-1,251,915.84-385,390.08

Finding the Fourth Proportional to 834,707.52, 1,251,915.84 and 385,390.08

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Solution

The fourth proportional to 834,707.52, 1,251,915.84 and 385,390.08 is: 578,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,707.52 : 1,251,915.84 = 385,390.08 : x
  2. Step 2: Convert to fraction form
    834,707.52/1,251,915.84 = 385,390.08/x
  3. Step 3: Cross multiply
    834,707.52x = 1,251,915.84 × 385,390.08
  4. Step 4: Simplify right side
    834,707.52x = 482,475,945,730.87
  5. Step 5: Solve for x
    x = 482,475,945,730.87/834,707.52
  6. Step 6: Final answer
    x = 578,017.97

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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.