Home / 662,927.60-914,839.80-361,121.60

Finding the Fourth Proportional to 662,927.60, 914,839.80 and 361,121.60

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Solution

The fourth proportional to 662,927.60, 914,839.80 and 361,121.60 is: 498,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,927.60 : 914,839.80 = 361,121.60 : x
  2. Step 2: Convert to fraction form
    662,927.60/914,839.80 = 361,121.60/x
  3. Step 3: Cross multiply
    662,927.60x = 914,839.80 × 361,121.60
  4. Step 4: Simplify right side
    662,927.60x = 330,368,412,319.68
  5. Step 5: Solve for x
    x = 330,368,412,319.68/662,927.60
  6. Step 6: Final answer
    x = 498,347.65

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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.