Home / 971,292.80-1,456,939.20-261,392.60

Finding the Fourth Proportional to 971,292.80, 1,456,939.20 and 261,392.60

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Solution

The fourth proportional to 971,292.80, 1,456,939.20 and 261,392.60 is: 392,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,292.80 : 1,456,939.20 = 261,392.60 : x
  2. Step 2: Convert to fraction form
    971,292.80/1,456,939.20 = 261,392.60/x
  3. Step 3: Cross multiply
    971,292.80x = 1,456,939.20 × 261,392.60
  4. Step 4: Simplify right side
    971,292.80x = 380,833,125,529.92
  5. Step 5: Solve for x
    x = 380,833,125,529.92/971,292.80
  6. Step 6: Final answer
    x = 392,088.90

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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.