Home / 971,894.40-1,457,404.20-439,141.20

Finding the Fourth Proportional to 971,894.40, 1,457,404.20 and 439,141.20

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Solution

The fourth proportional to 971,894.40, 1,457,404.20 and 439,141.20 is: 658,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,894.40 : 1,457,404.20 = 439,141.20 : x
  2. Step 2: Convert to fraction form
    971,894.40/1,457,404.20 = 439,141.20/x
  3. Step 3: Cross multiply
    971,894.40x = 1,457,404.20 × 439,141.20
  4. Step 4: Simplify right side
    971,894.40x = 640,006,229,273.04
  5. Step 5: Solve for x
    x = 640,006,229,273.04/971,894.40
  6. Step 6: Final answer
    x = 658,514.16

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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.