Home / 825,084.12-1,138,618.68-457,587.48

Finding the Fourth Proportional to 825,084.12, 1,138,618.68 and 457,587.48

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Solution

The fourth proportional to 825,084.12, 1,138,618.68 and 457,587.48 is: 631,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,084.12 : 1,138,618.68 = 457,587.48 : x
  2. Step 2: Convert to fraction form
    825,084.12/1,138,618.68 = 457,587.48/x
  3. Step 3: Cross multiply
    825,084.12x = 1,138,618.68 × 457,587.48
  4. Step 4: Simplify right side
    825,084.12x = 521,017,652,462.13
  5. Step 5: Solve for x
    x = 521,017,652,462.13/825,084.12
  6. Step 6: Final answer
    x = 631,472.16

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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.