Home / 934,762.92-1,401,583.98-428,690.04

Finding the Fourth Proportional to 934,762.92, 1,401,583.98 and 428,690.04

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Solution

The fourth proportional to 934,762.92, 1,401,583.98 and 428,690.04 is: 642,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,762.92 : 1,401,583.98 = 428,690.04 : x
  2. Step 2: Convert to fraction form
    934,762.92/1,401,583.98 = 428,690.04/x
  3. Step 3: Cross multiply
    934,762.92x = 1,401,583.98 × 428,690.04
  4. Step 4: Simplify right side
    934,762.92x = 600,845,092,449.56
  5. Step 5: Solve for x
    x = 600,845,092,449.56/934,762.92
  6. Step 6: Final answer
    x = 642,778.06

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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.