Home / 798,245.40-1,197,368.10-785,123.40

Finding the Fourth Proportional to 798,245.40, 1,197,368.10 and 785,123.40

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Solution

The fourth proportional to 798,245.40, 1,197,368.10 and 785,123.40 is: 1,177,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,245.40 : 1,197,368.10 = 785,123.40 : x
  2. Step 2: Convert to fraction form
    798,245.40/1,197,368.10 = 785,123.40/x
  3. Step 3: Cross multiply
    798,245.40x = 1,197,368.10 × 785,123.40
  4. Step 4: Simplify right side
    798,245.40x = 940,081,713,723.54
  5. Step 5: Solve for x
    x = 940,081,713,723.54/798,245.40
  6. Step 6: Final answer
    x = 1,177,685.10

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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.