Home / 896,354.28-1,236,952.62-488,459.52

Finding the Fourth Proportional to 896,354.28, 1,236,952.62 and 488,459.52

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Solution

The fourth proportional to 896,354.28, 1,236,952.62 and 488,459.52 is: 674,065.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,354.28 : 1,236,952.62 = 488,459.52 : x
  2. Step 2: Convert to fraction form
    896,354.28/1,236,952.62 = 488,459.52/x
  3. Step 3: Cross multiply
    896,354.28x = 1,236,952.62 × 488,459.52
  4. Step 4: Simplify right side
    896,354.28x = 604,201,283,027.94
  5. Step 5: Solve for x
    x = 604,201,283,027.94/896,354.28
  6. Step 6: Final answer
    x = 674,065.26

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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.