Home / 974,140.80-1,461,211.20-264,256.80

Finding the Fourth Proportional to 974,140.80, 1,461,211.20 and 264,256.80

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Solution

The fourth proportional to 974,140.80, 1,461,211.20 and 264,256.80 is: 396,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,140.80 : 1,461,211.20 = 264,256.80 : x
  2. Step 2: Convert to fraction form
    974,140.80/1,461,211.20 = 264,256.80/x
  3. Step 3: Cross multiply
    974,140.80x = 1,461,211.20 × 264,256.80
  4. Step 4: Simplify right side
    974,140.80x = 386,134,995,836.16
  5. Step 5: Solve for x
    x = 386,134,995,836.16/974,140.80
  6. Step 6: Final answer
    x = 396,385.20

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Double scale
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Similar ratio
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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.