Home / 755,632.80-1,134,761.40-401,338.80

Finding the Fourth Proportional to 755,632.80, 1,134,761.40 and 401,338.80

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Solution

The fourth proportional to 755,632.80, 1,134,761.40 and 401,338.80 is: 602,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,632.80 : 1,134,761.40 = 401,338.80 : x
  2. Step 2: Convert to fraction form
    755,632.80/1,134,761.40 = 401,338.80/x
  3. Step 3: Cross multiply
    755,632.80x = 1,134,761.40 × 401,338.80
  4. Step 4: Simplify right side
    755,632.80x = 455,423,778,562.32
  5. Step 5: Solve for x
    x = 455,423,778,562.32/755,632.80
  6. Step 6: Final answer
    x = 602,705.15

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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.