Home / 813,415.32-1,122,521.40-450,847.14

Finding the Fourth Proportional to 813,415.32, 1,122,521.40 and 450,847.14

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Solution

The fourth proportional to 813,415.32, 1,122,521.40 and 450,847.14 is: 622,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,415.32 : 1,122,521.40 = 450,847.14 : x
  2. Step 2: Convert to fraction form
    813,415.32/1,122,521.40 = 450,847.14/x
  3. Step 3: Cross multiply
    813,415.32x = 1,122,521.40 × 450,847.14
  4. Step 4: Simplify right side
    813,415.32x = 506,085,562,778.80
  5. Step 5: Solve for x
    x = 506,085,562,778.80/813,415.32
  6. Step 6: Final answer
    x = 622,173.63

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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.