Home / 767,892.80-1,151,839.20-368,465.60

Finding the Fourth Proportional to 767,892.80, 1,151,839.20 and 368,465.60

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Solution

The fourth proportional to 767,892.80, 1,151,839.20 and 368,465.60 is: 552,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,892.80 : 1,151,839.20 = 368,465.60 : x
  2. Step 2: Convert to fraction form
    767,892.80/1,151,839.20 = 368,465.60/x
  3. Step 3: Cross multiply
    767,892.80x = 1,151,839.20 × 368,465.60
  4. Step 4: Simplify right side
    767,892.80x = 424,413,121,931.52
  5. Step 5: Solve for x
    x = 424,413,121,931.52/767,892.80
  6. Step 6: Final answer
    x = 552,698.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.