Home / 662,431.80-914,159.34-360,627.96

Finding the Fourth Proportional to 662,431.80, 914,159.34 and 360,627.96

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Solution

The fourth proportional to 662,431.80, 914,159.34 and 360,627.96 is: 497,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,431.80 : 914,159.34 = 360,627.96 : x
  2. Step 2: Convert to fraction form
    662,431.80/914,159.34 = 360,627.96/x
  3. Step 3: Cross multiply
    662,431.80x = 914,159.34 × 360,627.96
  4. Step 4: Simplify right side
    662,431.80x = 329,671,417,899.15
  5. Step 5: Solve for x
    x = 329,671,417,899.15/662,431.80
  6. Step 6: Final answer
    x = 497,668.47

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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.