Home / 895,402.40-1,343,103.60-264,315.20

Finding the Fourth Proportional to 895,402.40, 1,343,103.60 and 264,315.20

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Solution

The fourth proportional to 895,402.40, 1,343,103.60 and 264,315.20 is: 396,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,402.40 : 1,343,103.60 = 264,315.20 : x
  2. Step 2: Convert to fraction form
    895,402.40/1,343,103.60 = 264,315.20/x
  3. Step 3: Cross multiply
    895,402.40x = 1,343,103.60 × 264,315.20
  4. Step 4: Simplify right side
    895,402.40x = 355,002,696,654.72
  5. Step 5: Solve for x
    x = 355,002,696,654.72/895,402.40
  6. Step 6: Final answer
    x = 396,472.80

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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.