Home / 876,633.20-1,314,042.60-476,428.40

Finding the Fourth Proportional to 876,633.20, 1,314,042.60 and 476,428.40

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Solution

The fourth proportional to 876,633.20, 1,314,042.60 and 476,428.40 is: 714,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,633.20 : 1,314,042.60 = 476,428.40 : x
  2. Step 2: Convert to fraction form
    876,633.20/1,314,042.60 = 476,428.40/x
  3. Step 3: Cross multiply
    876,633.20x = 1,314,042.60 × 476,428.40
  4. Step 4: Simplify right side
    876,633.20x = 626,047,213,449.84
  5. Step 5: Solve for x
    x = 626,047,213,449.84/876,633.20
  6. Step 6: Final answer
    x = 714,149.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.