Home / 895,119.27-1,235,290.85-487,247.72

Finding the Fourth Proportional to 895,119.27, 1,235,290.85 and 487,247.72

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Solution

The fourth proportional to 895,119.27, 1,235,290.85 and 487,247.72 is: 672,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,119.27 : 1,235,290.85 = 487,247.72 : x
  2. Step 2: Convert to fraction form
    895,119.27/1,235,290.85 = 487,247.72/x
  3. Step 3: Cross multiply
    895,119.27x = 1,235,290.85 × 487,247.72
  4. Step 4: Simplify right side
    895,119.27x = 601,892,641,586.67
  5. Step 5: Solve for x
    x = 601,892,641,586.67/895,119.27
  6. Step 6: Final answer
    x = 672,416.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.