Home / 755,647.38-1,133,913.95-542,185.24

Finding the Fourth Proportional to 755,647.38, 1,133,913.95 and 542,185.24

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Solution

The fourth proportional to 755,647.38, 1,133,913.95 and 542,185.24 is: 813,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,647.38 : 1,133,913.95 = 542,185.24 : x
  2. Step 2: Convert to fraction form
    755,647.38/1,133,913.95 = 542,185.24/x
  3. Step 3: Cross multiply
    755,647.38x = 1,133,913.95 × 542,185.24
  4. Step 4: Simplify right side
    755,647.38x = 614,791,404,409.17
  5. Step 5: Solve for x
    x = 614,791,404,409.17/755,647.38
  6. Step 6: Final answer
    x = 813,595.63

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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.