Home / 672,685.38-1,008,561.51-357,363.72

Finding the Fourth Proportional to 672,685.38, 1,008,561.51 and 357,363.72

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Solution

The fourth proportional to 672,685.38, 1,008,561.51 and 357,363.72 is: 535,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,685.38 : 1,008,561.51 = 357,363.72 : x
  2. Step 2: Convert to fraction form
    672,685.38/1,008,561.51 = 357,363.72/x
  3. Step 3: Cross multiply
    672,685.38x = 1,008,561.51 × 357,363.72
  4. Step 4: Simplify right side
    672,685.38x = 360,423,293,062.42
  5. Step 5: Solve for x
    x = 360,423,293,062.42/672,685.38
  6. Step 6: Final answer
    x = 535,797.72

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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.