Home / 852,931.28-1,276,619.28-628,203.20

Finding the Fourth Proportional to 852,931.28, 1,276,619.28 and 628,203.20

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Solution

The fourth proportional to 852,931.28, 1,276,619.28 and 628,203.20 is: 940,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,931.28 : 1,276,619.28 = 628,203.20 : x
  2. Step 2: Convert to fraction form
    852,931.28/1,276,619.28 = 628,203.20/x
  3. Step 3: Cross multiply
    852,931.28x = 1,276,619.28 × 628,203.20
  4. Step 4: Simplify right side
    852,931.28x = 801,976,316,877.70
  5. Step 5: Solve for x
    x = 801,976,316,877.70/852,931.28
  6. Step 6: Final answer
    x = 940,259.01

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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.