Home / 730,882.82-1,095,825.32-389,377.30

Finding the Fourth Proportional to 730,882.82, 1,095,825.32 and 389,377.30

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Solution

The fourth proportional to 730,882.82, 1,095,825.32 and 389,377.30 is: 583,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,882.82 : 1,095,825.32 = 389,377.30 : x
  2. Step 2: Convert to fraction form
    730,882.82/1,095,825.32 = 389,377.30/x
  3. Step 3: Cross multiply
    730,882.82x = 1,095,825.32 × 389,377.30
  4. Step 4: Simplify right side
    730,882.82x = 426,689,502,426.35
  5. Step 5: Solve for x
    x = 426,689,502,426.35/730,882.82
  6. Step 6: Final answer
    x = 583,800.16

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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.