Home / 785,904.40-1,178,856.60-253,442.80

Finding the Fourth Proportional to 785,904.40, 1,178,856.60 and 253,442.80

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Solution

The fourth proportional to 785,904.40, 1,178,856.60 and 253,442.80 is: 380,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,904.40 : 1,178,856.60 = 253,442.80 : x
  2. Step 2: Convert to fraction form
    785,904.40/1,178,856.60 = 253,442.80/x
  3. Step 3: Cross multiply
    785,904.40x = 1,178,856.60 × 253,442.80
  4. Step 4: Simplify right side
    785,904.40x = 298,772,717,502.48
  5. Step 5: Solve for x
    x = 298,772,717,502.48/785,904.40
  6. Step 6: Final answer
    x = 380,164.20

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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.