Home / 852,242.91-1,278,852.80-346,710.57

Finding the Fourth Proportional to 852,242.91, 1,278,852.80 and 346,710.57

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Solution

The fourth proportional to 852,242.91, 1,278,852.80 and 346,710.57 is: 520,264.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,242.91 : 1,278,852.80 = 346,710.57 : x
  2. Step 2: Convert to fraction form
    852,242.91/1,278,852.80 = 346,710.57/x
  3. Step 3: Cross multiply
    852,242.91x = 1,278,852.80 × 346,710.57
  4. Step 4: Simplify right side
    852,242.91x = 443,391,781,500.54
  5. Step 5: Solve for x
    x = 443,391,781,500.54/852,242.91
  6. Step 6: Final answer
    x = 520,264.56

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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.