Home / 852,170.45-1,278,254.16-496,935.36

Finding the Fourth Proportional to 852,170.45, 1,278,254.16 and 496,935.36

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Solution

The fourth proportional to 852,170.45, 1,278,254.16 and 496,935.36 is: 745,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,170.45 : 1,278,254.16 = 496,935.36 : x
  2. Step 2: Convert to fraction form
    852,170.45/1,278,254.16 = 496,935.36/x
  3. Step 3: Cross multiply
    852,170.45x = 1,278,254.16 × 496,935.36
  4. Step 4: Simplify right side
    852,170.45x = 635,209,691,171.10
  5. Step 5: Solve for x
    x = 635,209,691,171.10/852,170.45
  6. Step 6: Final answer
    x = 745,402.16

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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.