Home / 971,397.20-1,457,095.80-654,136.40

Finding the Fourth Proportional to 971,397.20, 1,457,095.80 and 654,136.40

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Solution

The fourth proportional to 971,397.20, 1,457,095.80 and 654,136.40 is: 981,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,397.20 : 1,457,095.80 = 654,136.40 : x
  2. Step 2: Convert to fraction form
    971,397.20/1,457,095.80 = 654,136.40/x
  3. Step 3: Cross multiply
    971,397.20x = 1,457,095.80 × 654,136.40
  4. Step 4: Simplify right side
    971,397.20x = 953,139,401,067.12
  5. Step 5: Solve for x
    x = 953,139,401,067.12/971,397.20
  6. Step 6: Final answer
    x = 981,204.60

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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.