Home / 906,901.20-1,361,399.40-486,997.20

Finding the Fourth Proportional to 906,901.20, 1,361,399.40 and 486,997.20

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Solution

The fourth proportional to 906,901.20, 1,361,399.40 and 486,997.20 is: 731,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,901.20 : 1,361,399.40 = 486,997.20 : x
  2. Step 2: Convert to fraction form
    906,901.20/1,361,399.40 = 486,997.20/x
  3. Step 3: Cross multiply
    906,901.20x = 1,361,399.40 × 486,997.20
  4. Step 4: Simplify right side
    906,901.20x = 662,997,695,881.68
  5. Step 5: Solve for x
    x = 662,997,695,881.68/906,901.20
  6. Step 6: Final answer
    x = 731,058.35

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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.