Home / 649,389.55-896,079.96-358,961.89

Finding the Fourth Proportional to 649,389.55, 896,079.96 and 358,961.89

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Solution

The fourth proportional to 649,389.55, 896,079.96 and 358,961.89 is: 495,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,389.55 : 896,079.96 = 358,961.89 : x
  2. Step 2: Convert to fraction form
    649,389.55/896,079.96 = 358,961.89/x
  3. Step 3: Cross multiply
    649,389.55x = 896,079.96 × 358,961.89
  4. Step 4: Simplify right side
    649,389.55x = 321,658,556,032.72
  5. Step 5: Solve for x
    x = 321,658,556,032.72/649,389.55
  6. Step 6: Final answer
    x = 495,324.50

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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.