Home / 813,347.72-1,122,419.95-450,794.98

Finding the Fourth Proportional to 813,347.72, 1,122,419.95 and 450,794.98

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Solution

The fourth proportional to 813,347.72, 1,122,419.95 and 450,794.98 is: 622,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,347.72 : 1,122,419.95 = 450,794.98 : x
  2. Step 2: Convert to fraction form
    813,347.72/1,122,419.95 = 450,794.98/x
  3. Step 3: Cross multiply
    813,347.72x = 1,122,419.95 × 450,794.98
  4. Step 4: Simplify right side
    813,347.72x = 505,981,279,475.35
  5. Step 5: Solve for x
    x = 505,981,279,475.35/813,347.72
  6. Step 6: Final answer
    x = 622,097.13

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1.5x scale

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.