Home / 730,379.80-1,095,569.70-719,882.20

Finding the Fourth Proportional to 730,379.80, 1,095,569.70 and 719,882.20

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Solution

The fourth proportional to 730,379.80, 1,095,569.70 and 719,882.20 is: 1,079,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,379.80 : 1,095,569.70 = 719,882.20 : x
  2. Step 2: Convert to fraction form
    730,379.80/1,095,569.70 = 719,882.20/x
  3. Step 3: Cross multiply
    730,379.80x = 1,095,569.70 × 719,882.20
  4. Step 4: Simplify right side
    730,379.80x = 788,681,125,889.34
  5. Step 5: Solve for x
    x = 788,681,125,889.34/730,379.80
  6. Step 6: Final answer
    x = 1,079,823.30

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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.