Home / 906,491.20-1,360,784.40-486,587.20

Finding the Fourth Proportional to 906,491.20, 1,360,784.40 and 486,587.20

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Solution

The fourth proportional to 906,491.20, 1,360,784.40 and 486,587.20 is: 730,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,491.20 : 1,360,784.40 = 486,587.20 : x
  2. Step 2: Convert to fraction form
    906,491.20/1,360,784.40 = 486,587.20/x
  3. Step 3: Cross multiply
    906,491.20x = 1,360,784.40 × 486,587.20
  4. Step 4: Simplify right side
    906,491.20x = 662,140,270,999.68
  5. Step 5: Solve for x
    x = 662,140,270,999.68/906,491.20
  6. Step 6: Final answer
    x = 730,443.13

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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.