Home / 934,695.98-1,401,483.42-428,623.04

Finding the Fourth Proportional to 934,695.98, 1,401,483.42 and 428,623.04

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Solution

The fourth proportional to 934,695.98, 1,401,483.42 and 428,623.04 is: 642,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,695.98 : 1,401,483.42 = 428,623.04 : x
  2. Step 2: Convert to fraction form
    934,695.98/1,401,483.42 = 428,623.04/x
  3. Step 3: Cross multiply
    934,695.98x = 1,401,483.42 × 428,623.04
  4. Step 4: Simplify right side
    934,695.98x = 600,708,083,990.00
  5. Step 5: Solve for x
    x = 600,708,083,990.00/934,695.98
  6. Step 6: Final answer
    x = 642,677.51

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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.