Home / 896,391.28-1,236,983.98-488,484.43

Finding the Fourth Proportional to 896,391.28, 1,236,983.98 and 488,484.43

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Solution

The fourth proportional to 896,391.28, 1,236,983.98 and 488,484.43 is: 674,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,391.28 : 1,236,983.98 = 488,484.43 : x
  2. Step 2: Convert to fraction form
    896,391.28/1,236,983.98 = 488,484.43/x
  3. Step 3: Cross multiply
    896,391.28x = 1,236,983.98 × 488,484.43
  4. Step 4: Simplify right side
    896,391.28x = 604,247,411,947.01
  5. Step 5: Solve for x
    x = 604,247,411,947.01/896,391.28
  6. Step 6: Final answer
    x = 674,088.90

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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.