Home / 851,162.88-1,174,711.20-488,700.36

Finding the Fourth Proportional to 851,162.88, 1,174,711.20 and 488,700.36

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Solution

The fourth proportional to 851,162.88, 1,174,711.20 and 488,700.36 is: 674,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,162.88 : 1,174,711.20 = 488,700.36 : x
  2. Step 2: Convert to fraction form
    851,162.88/1,174,711.20 = 488,700.36/x
  3. Step 3: Cross multiply
    851,162.88x = 1,174,711.20 × 488,700.36
  4. Step 4: Simplify right side
    851,162.88x = 574,081,787,440.18
  5. Step 5: Solve for x
    x = 574,081,787,440.18/851,162.88
  6. Step 6: Final answer
    x = 674,467.60

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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.