Home / 826,788.16-1,240,312.20-353,476

Finding the Fourth Proportional to 826,788.16, 1,240,312.20 and 353,476

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Solution

The fourth proportional to 826,788.16, 1,240,312.20 and 353,476 is: 530,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,788.16 : 1,240,312.20 = 353,476 : x
  2. Step 2: Convert to fraction form
    826,788.16/1,240,312.20 = 353,476/x
  3. Step 3: Cross multiply
    826,788.16x = 1,240,312.20 × 353,476
  4. Step 4: Simplify right side
    826,788.16x = 438,420,595,207.20
  5. Step 5: Solve for x
    x = 438,420,595,207.20/826,788.16
  6. Step 6: Final answer
    x = 530,269.56

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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.