Home / 728,289.23-1,092,432.02-195,810.21

Finding the Fourth Proportional to 728,289.23, 1,092,432.02 and 195,810.21

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Solution

The fourth proportional to 728,289.23, 1,092,432.02 and 195,810.21 is: 293,714.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,289.23 : 1,092,432.02 = 195,810.21 : x
  2. Step 2: Convert to fraction form
    728,289.23/1,092,432.02 = 195,810.21/x
  3. Step 3: Cross multiply
    728,289.23x = 1,092,432.02 × 195,810.21
  4. Step 4: Simplify right side
    728,289.23x = 213,909,342,267.87
  5. Step 5: Solve for x
    x = 213,909,342,267.87/728,289.23
  6. Step 6: Final answer
    x = 293,714.82

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1.5x scale

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.