Home / 690,728.58-1,034,179.74-353,042.01

Finding the Fourth Proportional to 690,728.58, 1,034,179.74 and 353,042.01

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Solution

The fourth proportional to 690,728.58, 1,034,179.74 and 353,042.01 is: 528,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,728.58 : 1,034,179.74 = 353,042.01 : x
  2. Step 2: Convert to fraction form
    690,728.58/1,034,179.74 = 353,042.01/x
  3. Step 3: Cross multiply
    690,728.58x = 1,034,179.74 × 353,042.01
  4. Step 4: Simplify right side
    690,728.58x = 365,108,894,110.88
  5. Step 5: Solve for x
    x = 365,108,894,110.88/690,728.58
  6. Step 6: Final answer
    x = 528,585.18

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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.