Home / 758,291.91-1,046,442.63-418,760.16

Finding the Fourth Proportional to 758,291.91, 1,046,442.63 and 418,760.16

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Solution

The fourth proportional to 758,291.91, 1,046,442.63 and 418,760.16 is: 577,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,291.91 : 1,046,442.63 = 418,760.16 : x
  2. Step 2: Convert to fraction form
    758,291.91/1,046,442.63 = 418,760.16/x
  3. Step 3: Cross multiply
    758,291.91x = 1,046,442.63 × 418,760.16
  4. Step 4: Simplify right side
    758,291.91x = 438,208,483,169.62
  5. Step 5: Solve for x
    x = 438,208,483,169.62/758,291.91
  6. Step 6: Final answer
    x = 577,888.91

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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.