Home / 813,275.02-1,122,322.34-450,705.02

Finding the Fourth Proportional to 813,275.02, 1,122,322.34 and 450,705.02

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Solution

The fourth proportional to 813,275.02, 1,122,322.34 and 450,705.02 is: 621,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,275.02 : 1,122,322.34 = 450,705.02 : x
  2. Step 2: Convert to fraction form
    813,275.02/1,122,322.34 = 450,705.02/x
  3. Step 3: Cross multiply
    813,275.02x = 1,122,322.34 × 450,705.02
  4. Step 4: Simplify right side
    813,275.02x = 505,836,310,442.62
  5. Step 5: Solve for x
    x = 505,836,310,442.62/813,275.02
  6. Step 6: Final answer
    x = 621,974.49

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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.