Home / 632,008.18-872,171.13-345,528.19

Finding the Fourth Proportional to 632,008.18, 872,171.13 and 345,528.19

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Solution

The fourth proportional to 632,008.18, 872,171.13 and 345,528.19 is: 476,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,008.18 : 872,171.13 = 345,528.19 : x
  2. Step 2: Convert to fraction form
    632,008.18/872,171.13 = 345,528.19/x
  3. Step 3: Cross multiply
    632,008.18x = 872,171.13 × 345,528.19
  4. Step 4: Simplify right side
    632,008.18x = 301,359,711,919.16
  5. Step 5: Solve for x
    x = 301,359,711,919.16/632,008.18
  6. Step 6: Final answer
    x = 476,828.82

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Double scale
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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.