Home / 852,901.76-1,278,943.68-403,247.36

Finding the Fourth Proportional to 852,901.76, 1,278,943.68 and 403,247.36

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Solution

The fourth proportional to 852,901.76, 1,278,943.68 and 403,247.36 is: 604,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,901.76 : 1,278,943.68 = 403,247.36 : x
  2. Step 2: Convert to fraction form
    852,901.76/1,278,943.68 = 403,247.36/x
  3. Step 3: Cross multiply
    852,901.76x = 1,278,943.68 × 403,247.36
  4. Step 4: Simplify right side
    852,901.76x = 515,730,662,548.69
  5. Step 5: Solve for x
    x = 515,730,662,548.69/852,901.76
  6. Step 6: Final answer
    x = 604,677.69

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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.