Home / 875,251.90-1,312,877.85-520,083.10

Finding the Fourth Proportional to 875,251.90, 1,312,877.85 and 520,083.10

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Solution

The fourth proportional to 875,251.90, 1,312,877.85 and 520,083.10 is: 780,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,251.90 : 1,312,877.85 = 520,083.10 : x
  2. Step 2: Convert to fraction form
    875,251.90/1,312,877.85 = 520,083.10/x
  3. Step 3: Cross multiply
    875,251.90x = 1,312,877.85 × 520,083.10
  4. Step 4: Simplify right side
    875,251.90x = 682,805,582,149.34
  5. Step 5: Solve for x
    x = 682,805,582,149.34/875,251.90
  6. Step 6: Final answer
    x = 780,124.65

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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.