Home / 617,948.10-927,468.90-364,912.20

Finding the Fourth Proportional to 617,948.10, 927,468.90 and 364,912.20

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Solution

The fourth proportional to 617,948.10, 927,468.90 and 364,912.20 is: 547,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,948.10 : 927,468.90 = 364,912.20 : x
  2. Step 2: Convert to fraction form
    617,948.10/927,468.90 = 364,912.20/x
  3. Step 3: Cross multiply
    617,948.10x = 927,468.90 × 364,912.20
  4. Step 4: Simplify right side
    617,948.10x = 338,444,716,730.58
  5. Step 5: Solve for x
    x = 338,444,716,730.58/617,948.10
  6. Step 6: Final answer
    x = 547,691.17

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1.5x scale

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.