Home / 896,695.20-1,237,422.48-488,800.80

Finding the Fourth Proportional to 896,695.20, 1,237,422.48 and 488,800.80

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Solution

The fourth proportional to 896,695.20, 1,237,422.48 and 488,800.80 is: 674,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,695.20 : 1,237,422.48 = 488,800.80 : x
  2. Step 2: Convert to fraction form
    896,695.20/1,237,422.48 = 488,800.80/x
  3. Step 3: Cross multiply
    896,695.20x = 1,237,422.48 × 488,800.80
  4. Step 4: Simplify right side
    896,695.20x = 604,853,098,161.98
  5. Step 5: Solve for x
    x = 604,853,098,161.98/896,695.20
  6. Step 6: Final answer
    x = 674,535.89

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1.5x scale

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.