Home / 966,546.81-1,449,264.62-398,320.20

Finding the Fourth Proportional to 966,546.81, 1,449,264.62 and 398,320.20

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Solution

The fourth proportional to 966,546.81, 1,449,264.62 and 398,320.20 is: 597,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,546.81 : 1,449,264.62 = 398,320.20 : x
  2. Step 2: Convert to fraction form
    966,546.81/1,449,264.62 = 398,320.20/x
  3. Step 3: Cross multiply
    966,546.81x = 1,449,264.62 × 398,320.20
  4. Step 4: Simplify right side
    966,546.81x = 577,271,374,287.13
  5. Step 5: Solve for x
    x = 577,271,374,287.13/966,546.81
  6. Step 6: Final answer
    x = 597,251.34

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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.