Home / 909,179.50-1,254,363.12-587,107.30

Finding the Fourth Proportional to 909,179.50, 1,254,363.12 and 587,107.30

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Solution

The fourth proportional to 909,179.50, 1,254,363.12 and 587,107.30 is: 810,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,179.50 : 1,254,363.12 = 587,107.30 : x
  2. Step 2: Convert to fraction form
    909,179.50/1,254,363.12 = 587,107.30/x
  3. Step 3: Cross multiply
    909,179.50x = 1,254,363.12 × 587,107.30
  4. Step 4: Simplify right side
    909,179.50x = 736,445,744,602.78
  5. Step 5: Solve for x
    x = 736,445,744,602.78/909,179.50
  6. Step 6: Final answer
    x = 810,011.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.