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Finding the Fourth Proportional to 532,860.45, 735,673.29 and 346,769.24

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Solution

The fourth proportional to 532,860.45, 735,673.29 and 346,769.24 is: 478,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,860.45 : 735,673.29 = 346,769.24 : x
  2. Step 2: Convert to fraction form
    532,860.45/735,673.29 = 346,769.24/x
  3. Step 3: Cross multiply
    532,860.45x = 735,673.29 × 346,769.24
  4. Step 4: Simplify right side
    532,860.45x = 255,108,863,983.23
  5. Step 5: Solve for x
    x = 255,108,863,983.23/532,860.45
  6. Step 6: Final answer
    x = 478,753.61

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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.