Home / 971,378.20-1,457,067.30-654,117.40

Finding the Fourth Proportional to 971,378.20, 1,457,067.30 and 654,117.40

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Solution

The fourth proportional to 971,378.20, 1,457,067.30 and 654,117.40 is: 981,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,378.20 : 1,457,067.30 = 654,117.40 : x
  2. Step 2: Convert to fraction form
    971,378.20/1,457,067.30 = 654,117.40/x
  3. Step 3: Cross multiply
    971,378.20x = 1,457,067.30 × 654,117.40
  4. Step 4: Simplify right side
    971,378.20x = 953,093,073,901.02
  5. Step 5: Solve for x
    x = 953,093,073,901.02/971,378.20
  6. Step 6: Final answer
    x = 981,176.10

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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.