Home / 730,886.54-1,095,830.89-389,381.02

Finding the Fourth Proportional to 730,886.54, 1,095,830.89 and 389,381.02

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Solution

The fourth proportional to 730,886.54, 1,095,830.89 and 389,381.02 is: 583,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,886.54 : 1,095,830.89 = 389,381.02 : x
  2. Step 2: Convert to fraction form
    730,886.54/1,095,830.89 = 389,381.02/x
  3. Step 3: Cross multiply
    730,886.54x = 1,095,830.89 × 389,381.02
  4. Step 4: Simplify right side
    730,886.54x = 426,695,745,982.68
  5. Step 5: Solve for x
    x = 426,695,745,982.68/730,886.54
  6. Step 6: Final answer
    x = 583,805.73

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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.