Home / 772,448.10-1,158,672.15-740,955.30

Finding the Fourth Proportional to 772,448.10, 1,158,672.15 and 740,955.30

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Solution

The fourth proportional to 772,448.10, 1,158,672.15 and 740,955.30 is: 1,111,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,448.10 : 1,158,672.15 = 740,955.30 : x
  2. Step 2: Convert to fraction form
    772,448.10/1,158,672.15 = 740,955.30/x
  3. Step 3: Cross multiply
    772,448.10x = 1,158,672.15 × 740,955.30
  4. Step 4: Simplify right side
    772,448.10x = 858,524,270,504.90
  5. Step 5: Solve for x
    x = 858,524,270,504.90/772,448.10
  6. Step 6: Final answer
    x = 1,111,432.95

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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.