Home / 772,257.80-1,158,386.70-719,769.80

Finding the Fourth Proportional to 772,257.80, 1,158,386.70 and 719,769.80

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Solution

The fourth proportional to 772,257.80, 1,158,386.70 and 719,769.80 is: 1,079,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,257.80 : 1,158,386.70 = 719,769.80 : x
  2. Step 2: Convert to fraction form
    772,257.80/1,158,386.70 = 719,769.80/x
  3. Step 3: Cross multiply
    772,257.80x = 1,158,386.70 × 719,769.80
  4. Step 4: Simplify right side
    772,257.80x = 833,771,763,381.66
  5. Step 5: Solve for x
    x = 833,771,763,381.66/772,257.80
  6. Step 6: Final answer
    x = 1,079,654.70

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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.