Home / 767,848.80-1,151,773.20-368,421.60

Finding the Fourth Proportional to 767,848.80, 1,151,773.20 and 368,421.60

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Solution

The fourth proportional to 767,848.80, 1,151,773.20 and 368,421.60 is: 552,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,848.80 : 1,151,773.20 = 368,421.60 : x
  2. Step 2: Convert to fraction form
    767,848.80/1,151,773.20 = 368,421.60/x
  3. Step 3: Cross multiply
    767,848.80x = 1,151,773.20 × 368,421.60
  4. Step 4: Simplify right side
    767,848.80x = 424,338,125,181.12
  5. Step 5: Solve for x
    x = 424,338,125,181.12/767,848.80
  6. Step 6: Final answer
    x = 552,632.40

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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.