Home / 813,247.01-1,122,271.90-445,727.13

Finding the Fourth Proportional to 813,247.01, 1,122,271.90 and 445,727.13

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Solution

The fourth proportional to 813,247.01, 1,122,271.90 and 445,727.13 is: 615,098.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,247.01 : 1,122,271.90 = 445,727.13 : x
  2. Step 2: Convert to fraction form
    813,247.01/1,122,271.90 = 445,727.13/x
  3. Step 3: Cross multiply
    813,247.01x = 1,122,271.90 × 445,727.13
  4. Step 4: Simplify right side
    813,247.01x = 500,227,033,066.65
  5. Step 5: Solve for x
    x = 500,227,033,066.65/813,247.01
  6. Step 6: Final answer
    x = 615,098.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.