Home / 680,932.79-1,020,070.44-530,468.57

Finding the Fourth Proportional to 680,932.79, 1,020,070.44 and 530,468.57

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Solution

The fourth proportional to 680,932.79, 1,020,070.44 and 530,468.57 is: 794,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,932.79 : 1,020,070.44 = 530,468.57 : x
  2. Step 2: Convert to fraction form
    680,932.79/1,020,070.44 = 530,468.57/x
  3. Step 3: Cross multiply
    680,932.79x = 1,020,070.44 × 530,468.57
  4. Step 4: Simplify right side
    680,932.79x = 541,115,302,505.72
  5. Step 5: Solve for x
    x = 541,115,302,505.72/680,932.79
  6. Step 6: Final answer
    x = 794,667.72

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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.