Home / 748,165.69-1,032,468.65-408,634.75

Finding the Fourth Proportional to 748,165.69, 1,032,468.65 and 408,634.75

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Solution

The fourth proportional to 748,165.69, 1,032,468.65 and 408,634.75 is: 563,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,165.69 : 1,032,468.65 = 408,634.75 : x
  2. Step 2: Convert to fraction form
    748,165.69/1,032,468.65 = 408,634.75/x
  3. Step 3: Cross multiply
    748,165.69x = 1,032,468.65 × 408,634.75
  4. Step 4: Simplify right side
    748,165.69x = 421,902,567,116.00
  5. Step 5: Solve for x
    x = 421,902,567,116.00/748,165.69
  6. Step 6: Final answer
    x = 563,915.95

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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.