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Finding the Fourth Proportional to 532,401.62, 797,794.35 and 390,341.45

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Solution

The fourth proportional to 532,401.62, 797,794.35 and 390,341.45 is: 584,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,401.62 : 797,794.35 = 390,341.45 : x
  2. Step 2: Convert to fraction form
    532,401.62/797,794.35 = 390,341.45/x
  3. Step 3: Cross multiply
    532,401.62x = 797,794.35 × 390,341.45
  4. Step 4: Simplify right side
    532,401.62x = 311,412,203,380.81
  5. Step 5: Solve for x
    x = 311,412,203,380.81/532,401.62
  6. Step 6: Final answer
    x = 584,919.71

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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.