Home / 985,332.40-1,478,654.70-452,579.20

Finding the Fourth Proportional to 985,332.40, 1,478,654.70 and 452,579.20

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Solution

The fourth proportional to 985,332.40, 1,478,654.70 and 452,579.20 is: 679,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,332.40 : 1,478,654.70 = 452,579.20 : x
  2. Step 2: Convert to fraction form
    985,332.40/1,478,654.70 = 452,579.20/x
  3. Step 3: Cross multiply
    985,332.40x = 1,478,654.70 × 452,579.20
  4. Step 4: Simplify right side
    985,332.40x = 669,208,361,202.24
  5. Step 5: Solve for x
    x = 669,208,361,202.24/985,332.40
  6. Step 6: Final answer
    x = 679,170.16

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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.