Home / 691,499.84-1,036,658.12-265,341.48

Finding the Fourth Proportional to 691,499.84, 1,036,658.12 and 265,341.48

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Solution

The fourth proportional to 691,499.84, 1,036,658.12 and 265,341.48 is: 397,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,499.84 : 1,036,658.12 = 265,341.48 : x
  2. Step 2: Convert to fraction form
    691,499.84/1,036,658.12 = 265,341.48/x
  3. Step 3: Cross multiply
    691,499.84x = 1,036,658.12 × 265,341.48
  4. Step 4: Simplify right side
    691,499.84x = 275,068,398,488.11
  5. Step 5: Solve for x
    x = 275,068,398,488.11/691,499.84
  6. Step 6: Final answer
    x = 397,785.20

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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.