Home / 838,642.32-1,157,345.22-476,032.02

Finding the Fourth Proportional to 838,642.32, 1,157,345.22 and 476,032.02

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Solution

The fourth proportional to 838,642.32, 1,157,345.22 and 476,032.02 is: 656,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,642.32 : 1,157,345.22 = 476,032.02 : x
  2. Step 2: Convert to fraction form
    838,642.32/1,157,345.22 = 476,032.02/x
  3. Step 3: Cross multiply
    838,642.32x = 1,157,345.22 × 476,032.02
  4. Step 4: Simplify right side
    838,642.32x = 550,933,382,913.94
  5. Step 5: Solve for x
    x = 550,933,382,913.94/838,642.32
  6. Step 6: Final answer
    x = 656,934.87

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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.