Home / 971,378.60-1,456,376.70-372,108.20

Finding the Fourth Proportional to 971,378.60, 1,456,376.70 and 372,108.20

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Solution

The fourth proportional to 971,378.60, 1,456,376.70 and 372,108.20 is: 557,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,378.60 : 1,456,376.70 = 372,108.20 : x
  2. Step 2: Convert to fraction form
    971,378.60/1,456,376.70 = 372,108.20/x
  3. Step 3: Cross multiply
    971,378.60x = 1,456,376.70 × 372,108.20
  4. Step 4: Simplify right side
    971,378.60x = 541,929,712,358.94
  5. Step 5: Solve for x
    x = 541,929,712,358.94/971,378.60
  6. Step 6: Final answer
    x = 557,897.52

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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.