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Finding the Fourth Proportional to 679,179.04, 937,554.42 and 458,464.48

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Solution

The fourth proportional to 679,179.04, 937,554.42 and 458,464.48 is: 632,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,179.04 : 937,554.42 = 458,464.48 : x
  2. Step 2: Convert to fraction form
    679,179.04/937,554.42 = 458,464.48/x
  3. Step 3: Cross multiply
    679,179.04x = 937,554.42 × 458,464.48
  4. Step 4: Simplify right side
    679,179.04x = 429,835,399,637.00
  5. Step 5: Solve for x
    x = 429,835,399,637.00/679,179.04
  6. Step 6: Final answer
    x = 632,874.95

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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.