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Finding the Fourth Proportional to 532,104.11, 734,319.22 and 290,402.20

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Solution

The fourth proportional to 532,104.11, 734,319.22 and 290,402.20 is: 400,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,104.11 : 734,319.22 = 290,402.20 : x
  2. Step 2: Convert to fraction form
    532,104.11/734,319.22 = 290,402.20/x
  3. Step 3: Cross multiply
    532,104.11x = 734,319.22 × 290,402.20
  4. Step 4: Simplify right side
    532,104.11x = 213,247,913,318.69
  5. Step 5: Solve for x
    x = 213,247,913,318.69/532,104.11
  6. Step 6: Final answer
    x = 400,763.52

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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.