Home / 961,861.76-1,326,551.04-579,808.64

Finding the Fourth Proportional to 961,861.76, 1,326,551.04 and 579,808.64

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Solution

The fourth proportional to 961,861.76, 1,326,551.04 and 579,808.64 is: 799,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,861.76 : 1,326,551.04 = 579,808.64 : x
  2. Step 2: Convert to fraction form
    961,861.76/1,326,551.04 = 579,808.64/x
  3. Step 3: Cross multiply
    961,861.76x = 1,326,551.04 × 579,808.64
  4. Step 4: Simplify right side
    961,861.76x = 769,145,754,392.99
  5. Step 5: Solve for x
    x = 769,145,754,392.99/961,861.76
  6. Step 6: Final answer
    x = 799,642.72

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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.