Home / 896,630.28-1,237,341.72-488,732.10

Finding the Fourth Proportional to 896,630.28, 1,237,341.72 and 488,732.10

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Solution

The fourth proportional to 896,630.28, 1,237,341.72 and 488,732.10 is: 674,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,630.28 : 1,237,341.72 = 488,732.10 : x
  2. Step 2: Convert to fraction form
    896,630.28/1,237,341.72 = 488,732.10/x
  3. Step 3: Cross multiply
    896,630.28x = 1,237,341.72 × 488,732.10
  4. Step 4: Simplify right side
    896,630.28x = 604,728,617,233.21
  5. Step 5: Solve for x
    x = 604,728,617,233.21/896,630.28
  6. Step 6: Final answer
    x = 674,445.90

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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.