Home / 834,707.46-1,251,915.78-385,389.93

Finding the Fourth Proportional to 834,707.46, 1,251,915.78 and 385,389.93

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Solution

The fourth proportional to 834,707.46, 1,251,915.78 and 385,389.93 is: 578,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,707.46 : 1,251,915.78 = 385,389.93 : x
  2. Step 2: Convert to fraction form
    834,707.46/1,251,915.78 = 385,389.93/x
  3. Step 3: Cross multiply
    834,707.46x = 1,251,915.78 × 385,389.93
  4. Step 4: Simplify right side
    834,707.46x = 482,475,734,820.10
  5. Step 5: Solve for x
    x = 482,475,734,820.10/834,707.46
  6. Step 6: Final answer
    x = 578,017.76

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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.