Home / 971,446.60-1,456,478.70-372,176.20

Finding the Fourth Proportional to 971,446.60, 1,456,478.70 and 372,176.20

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Solution

The fourth proportional to 971,446.60, 1,456,478.70 and 372,176.20 is: 557,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,446.60 : 1,456,478.70 = 372,176.20 : x
  2. Step 2: Convert to fraction form
    971,446.60/1,456,478.70 = 372,176.20/x
  3. Step 3: Cross multiply
    971,446.60x = 1,456,478.70 × 372,176.20
  4. Step 4: Simplify right side
    971,446.60x = 542,066,707,946.94
  5. Step 5: Solve for x
    x = 542,066,707,946.94/971,446.60
  6. Step 6: Final answer
    x = 557,999.49

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1.5x scale

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.