Home / 895,178.05-1,342,753.88-221,259.40

Finding the Fourth Proportional to 895,178.05, 1,342,753.88 and 221,259.40

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Solution

The fourth proportional to 895,178.05, 1,342,753.88 and 221,259.40 is: 331,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,178.05 : 1,342,753.88 = 221,259.40 : x
  2. Step 2: Convert to fraction form
    895,178.05/1,342,753.88 = 221,259.40/x
  3. Step 3: Cross multiply
    895,178.05x = 1,342,753.88 × 221,259.40
  4. Step 4: Simplify right side
    895,178.05x = 297,096,913,373.29
  5. Step 5: Solve for x
    x = 297,096,913,373.29/895,178.05
  6. Step 6: Final answer
    x = 331,885.83

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Double scale
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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.