Home / 758,354.42-1,046,594.19-418,888.28

Finding the Fourth Proportional to 758,354.42, 1,046,594.19 and 418,888.28

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Solution

The fourth proportional to 758,354.42, 1,046,594.19 and 418,888.28 is: 578,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,354.42 : 1,046,594.19 = 418,888.28 : x
  2. Step 2: Convert to fraction form
    758,354.42/1,046,594.19 = 418,888.28/x
  3. Step 3: Cross multiply
    758,354.42x = 1,046,594.19 × 418,888.28
  4. Step 4: Simplify right side
    758,354.42x = 438,406,040,107.09
  5. Step 5: Solve for x
    x = 438,406,040,107.09/758,354.42
  6. Step 6: Final answer
    x = 578,101.78

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Double scale
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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.