Home / 852,221.16-1,278,820.17-346,688.82

Finding the Fourth Proportional to 852,221.16, 1,278,820.17 and 346,688.82

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Solution

The fourth proportional to 852,221.16, 1,278,820.17 and 346,688.82 is: 520,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,221.16 : 1,278,820.17 = 346,688.82 : x
  2. Step 2: Convert to fraction form
    852,221.16/1,278,820.17 = 346,688.82/x
  3. Step 3: Cross multiply
    852,221.16x = 1,278,820.17 × 346,688.82
  4. Step 4: Simplify right side
    852,221.16x = 443,352,655,729.50
  5. Step 5: Solve for x
    x = 443,352,655,729.50/852,221.16
  6. Step 6: Final answer
    x = 520,231.93

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1.5x scale

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.