Home / 896,270.29-1,236,837.02-488,375.66

Finding the Fourth Proportional to 896,270.29, 1,236,837.02 and 488,375.66

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Solution

The fourth proportional to 896,270.29, 1,236,837.02 and 488,375.66 is: 673,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,270.29 : 1,236,837.02 = 488,375.66 : x
  2. Step 2: Convert to fraction form
    896,270.29/1,236,837.02 = 488,375.66/x
  3. Step 3: Cross multiply
    896,270.29x = 1,236,837.02 × 488,375.66
  4. Step 4: Simplify right side
    896,270.29x = 604,041,087,328.87
  5. Step 5: Solve for x
    x = 604,041,087,328.87/896,270.29
  6. Step 6: Final answer
    x = 673,949.70

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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.