Home / 670,473.68-1,005,046.20-314,851.12

Finding the Fourth Proportional to 670,473.68, 1,005,046.20 and 314,851.12

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Solution

The fourth proportional to 670,473.68, 1,005,046.20 and 314,851.12 is: 471,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,473.68 : 1,005,046.20 = 314,851.12 : x
  2. Step 2: Convert to fraction form
    670,473.68/1,005,046.20 = 314,851.12/x
  3. Step 3: Cross multiply
    670,473.68x = 1,005,046.20 × 314,851.12
  4. Step 4: Simplify right side
    670,473.68x = 316,439,921,721.74
  5. Step 5: Solve for x
    x = 316,439,921,721.74/670,473.68
  6. Step 6: Final answer
    x = 471,964.72

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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.