Home / 985,577.40-1,477,934.10-452,921.40

Finding the Fourth Proportional to 985,577.40, 1,477,934.10 and 452,921.40

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Solution

The fourth proportional to 985,577.40, 1,477,934.10 and 452,921.40 is: 679,183.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,577.40 : 1,477,934.10 = 452,921.40 : x
  2. Step 2: Convert to fraction form
    985,577.40/1,477,934.10 = 452,921.40/x
  3. Step 3: Cross multiply
    985,577.40x = 1,477,934.10 × 452,921.40
  4. Step 4: Simplify right side
    985,577.40x = 669,387,981,679.74
  5. Step 5: Solve for x
    x = 669,387,981,679.74/985,577.40
  6. Step 6: Final answer
    x = 679,183.57

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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.