Home / 772,511.40-1,158,882.30-273,836.20

Finding the Fourth Proportional to 772,511.40, 1,158,882.30 and 273,836.20

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Solution

The fourth proportional to 772,511.40, 1,158,882.30 and 273,836.20 is: 410,795.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,511.40 : 1,158,882.30 = 273,836.20 : x
  2. Step 2: Convert to fraction form
    772,511.40/1,158,882.30 = 273,836.20/x
  3. Step 3: Cross multiply
    772,511.40x = 1,158,882.30 × 273,836.20
  4. Step 4: Simplify right side
    772,511.40x = 317,343,925,279.26
  5. Step 5: Solve for x
    x = 317,343,925,279.26/772,511.40
  6. Step 6: Final answer
    x = 410,795.14

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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.