Home / 934,761.92-1,401,582.48-428,689.04

Finding the Fourth Proportional to 934,761.92, 1,401,582.48 and 428,689.04

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Solution

The fourth proportional to 934,761.92, 1,401,582.48 and 428,689.04 is: 642,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,761.92 : 1,401,582.48 = 428,689.04 : x
  2. Step 2: Convert to fraction form
    934,761.92/1,401,582.48 = 428,689.04/x
  3. Step 3: Cross multiply
    934,761.92x = 1,401,582.48 × 428,689.04
  4. Step 4: Simplify right side
    934,761.92x = 600,843,047,832.02
  5. Step 5: Solve for x
    x = 600,843,047,832.02/934,761.92
  6. Step 6: Final answer
    x = 642,776.56

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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.