Home / 781,421.92-1,172,068.08-248,921.44

Finding the Fourth Proportional to 781,421.92, 1,172,068.08 and 248,921.44

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Solution

The fourth proportional to 781,421.92, 1,172,068.08 and 248,921.44 is: 373,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,421.92 : 1,172,068.08 = 248,921.44 : x
  2. Step 2: Convert to fraction form
    781,421.92/1,172,068.08 = 248,921.44/x
  3. Step 3: Cross multiply
    781,421.92x = 1,172,068.08 × 248,921.44
  4. Step 4: Simplify right side
    781,421.92x = 291,752,874,251.64
  5. Step 5: Solve for x
    x = 291,752,874,251.64/781,421.92
  6. Step 6: Final answer
    x = 373,361.52

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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.