Home / 816,314.60-1,126,465.88-453,726.02

Finding the Fourth Proportional to 816,314.60, 1,126,465.88 and 453,726.02

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Solution

The fourth proportional to 816,314.60, 1,126,465.88 and 453,726.02 is: 626,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,314.60 : 1,126,465.88 = 453,726.02 : x
  2. Step 2: Convert to fraction form
    816,314.60/1,126,465.88 = 453,726.02/x
  3. Step 3: Cross multiply
    816,314.60x = 1,126,465.88 × 453,726.02
  4. Step 4: Simplify right side
    816,314.60x = 511,106,880,398.20
  5. Step 5: Solve for x
    x = 511,106,880,398.20/816,314.60
  6. Step 6: Final answer
    x = 626,115.08

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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.