Home / 971,279.55-1,456,088.60-372,670.31

Finding the Fourth Proportional to 971,279.55, 1,456,088.60 and 372,670.31

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Solution

The fourth proportional to 971,279.55, 1,456,088.60 and 372,670.31 is: 558,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,279.55 : 1,456,088.60 = 372,670.31 : x
  2. Step 2: Convert to fraction form
    971,279.55/1,456,088.60 = 372,670.31/x
  3. Step 3: Cross multiply
    971,279.55x = 1,456,088.60 × 372,670.31
  4. Step 4: Simplify right side
    971,279.55x = 542,640,994,521.36
  5. Step 5: Solve for x
    x = 542,640,994,521.36/971,279.55
  6. Step 6: Final answer
    x = 558,686.73

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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.