Home / 727,767.82-1,090,444.89-442,595.80

Finding the Fourth Proportional to 727,767.82, 1,090,444.89 and 442,595.80

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Solution

The fourth proportional to 727,767.82, 1,090,444.89 and 442,595.80 is: 663,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,767.82 : 1,090,444.89 = 442,595.80 : x
  2. Step 2: Convert to fraction form
    727,767.82/1,090,444.89 = 442,595.80/x
  3. Step 3: Cross multiply
    727,767.82x = 1,090,444.89 × 442,595.80
  4. Step 4: Simplify right side
    727,767.82x = 482,626,328,445.46
  5. Step 5: Solve for x
    x = 482,626,328,445.46/727,767.82
  6. Step 6: Final answer
    x = 663,159.75

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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.