Home / 757,884.20-1,045,872.06-418,345.16

Finding the Fourth Proportional to 757,884.20, 1,045,872.06 and 418,345.16

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Solution

The fourth proportional to 757,884.20, 1,045,872.06 and 418,345.16 is: 577,311.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,884.20 : 1,045,872.06 = 418,345.16 : x
  2. Step 2: Convert to fraction form
    757,884.20/1,045,872.06 = 418,345.16/x
  3. Step 3: Cross multiply
    757,884.20x = 1,045,872.06 × 418,345.16
  4. Step 4: Simplify right side
    757,884.20x = 437,535,514,280.23
  5. Step 5: Solve for x
    x = 437,535,514,280.23/757,884.20
  6. Step 6: Final answer
    x = 577,311.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.