Home / 876,876.10-1,312,981.35-559,615.30

Finding the Fourth Proportional to 876,876.10, 1,312,981.35 and 559,615.30

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Solution

The fourth proportional to 876,876.10, 1,312,981.35 and 559,615.30 is: 837,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,876.10 : 1,312,981.35 = 559,615.30 : x
  2. Step 2: Convert to fraction form
    876,876.10/1,312,981.35 = 559,615.30/x
  3. Step 3: Cross multiply
    876,876.10x = 1,312,981.35 × 559,615.30
  4. Step 4: Simplify right side
    876,876.10x = 734,764,452,074.66
  5. Step 5: Solve for x
    x = 734,764,452,074.66/876,876.10
  6. Step 6: Final answer
    x = 837,934.18

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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.