Home / 748,395.52-1,123,036.14-275,413.03

Finding the Fourth Proportional to 748,395.52, 1,123,036.14 and 275,413.03

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Solution

The fourth proportional to 748,395.52, 1,123,036.14 and 275,413.03 is: 413,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,395.52 : 1,123,036.14 = 275,413.03 : x
  2. Step 2: Convert to fraction form
    748,395.52/1,123,036.14 = 275,413.03/x
  3. Step 3: Cross multiply
    748,395.52x = 1,123,036.14 × 275,413.03
  4. Step 4: Simplify right side
    748,395.52x = 309,298,784,342.11
  5. Step 5: Solve for x
    x = 309,298,784,342.11/748,395.52
  6. Step 6: Final answer
    x = 413,282.52

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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.