Home / 689,658.48-1,034,505.12-191,026.80

Finding the Fourth Proportional to 689,658.48, 1,034,505.12 and 191,026.80

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Solution

The fourth proportional to 689,658.48, 1,034,505.12 and 191,026.80 is: 286,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,658.48 : 1,034,505.12 = 191,026.80 : x
  2. Step 2: Convert to fraction form
    689,658.48/1,034,505.12 = 191,026.80/x
  3. Step 3: Cross multiply
    689,658.48x = 1,034,505.12 × 191,026.80
  4. Step 4: Simplify right side
    689,658.48x = 197,618,202,657.22
  5. Step 5: Solve for x
    x = 197,618,202,657.22/689,658.48
  6. Step 6: Final answer
    x = 286,545.02

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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.