Home / 876,394.20-1,315,628.10-497,616.60

Finding the Fourth Proportional to 876,394.20, 1,315,628.10 and 497,616.60

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Solution

The fourth proportional to 876,394.20, 1,315,628.10 and 497,616.60 is: 747,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,394.20 : 1,315,628.10 = 497,616.60 : x
  2. Step 2: Convert to fraction form
    876,394.20/1,315,628.10 = 497,616.60/x
  3. Step 3: Cross multiply
    876,394.20x = 1,315,628.10 × 497,616.60
  4. Step 4: Simplify right side
    876,394.20x = 654,678,381,986.46
  5. Step 5: Solve for x
    x = 654,678,381,986.46/876,394.20
  6. Step 6: Final answer
    x = 747,013.60

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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.