Home / 732,005.40-1,098,008.10-258,738.60

Finding the Fourth Proportional to 732,005.40, 1,098,008.10 and 258,738.60

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Solution

The fourth proportional to 732,005.40, 1,098,008.10 and 258,738.60 is: 388,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,005.40 : 1,098,008.10 = 258,738.60 : x
  2. Step 2: Convert to fraction form
    732,005.40/1,098,008.10 = 258,738.60/x
  3. Step 3: Cross multiply
    732,005.40x = 1,098,008.10 × 258,738.60
  4. Step 4: Simplify right side
    732,005.40x = 284,097,078,582.66
  5. Step 5: Solve for x
    x = 284,097,078,582.66/732,005.40
  6. Step 6: Final answer
    x = 388,107.90

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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.