Home / 758,281.29-1,046,427.44-418,748.73

Finding the Fourth Proportional to 758,281.29, 1,046,427.44 and 418,748.73

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Solution

The fourth proportional to 758,281.29, 1,046,427.44 and 418,748.73 is: 577,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,281.29 : 1,046,427.44 = 418,748.73 : x
  2. Step 2: Convert to fraction form
    758,281.29/1,046,427.44 = 418,748.73/x
  3. Step 3: Cross multiply
    758,281.29x = 1,046,427.44 × 418,748.73
  4. Step 4: Simplify right side
    758,281.29x = 438,190,159,443.41
  5. Step 5: Solve for x
    x = 438,190,159,443.41/758,281.29
  6. Step 6: Final answer
    x = 577,872.84

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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.