Home / 683,124.30-1,024,686.45-328,052.70

Finding the Fourth Proportional to 683,124.30, 1,024,686.45 and 328,052.70

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Solution

The fourth proportional to 683,124.30, 1,024,686.45 and 328,052.70 is: 492,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,124.30 : 1,024,686.45 = 328,052.70 : x
  2. Step 2: Convert to fraction form
    683,124.30/1,024,686.45 = 328,052.70/x
  3. Step 3: Cross multiply
    683,124.30x = 1,024,686.45 × 328,052.70
  4. Step 4: Simplify right side
    683,124.30x = 336,151,156,575.92
  5. Step 5: Solve for x
    x = 336,151,156,575.92/683,124.30
  6. Step 6: Final answer
    x = 492,079.05

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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.