Home / 788,003.10-1,181,659.05-314,531.10

Finding the Fourth Proportional to 788,003.10, 1,181,659.05 and 314,531.10

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Solution

The fourth proportional to 788,003.10, 1,181,659.05 and 314,531.10 is: 471,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,003.10 : 1,181,659.05 = 314,531.10 : x
  2. Step 2: Convert to fraction form
    788,003.10/1,181,659.05 = 314,531.10/x
  3. Step 3: Cross multiply
    788,003.10x = 1,181,659.05 × 314,531.10
  4. Step 4: Simplify right side
    788,003.10x = 371,668,520,821.46
  5. Step 5: Solve for x
    x = 371,668,520,821.46/788,003.10
  6. Step 6: Final answer
    x = 471,658.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.