Home / 542,391.98-748,583.78-346,243.19

Finding the Fourth Proportional to 542,391.98, 748,583.78 and 346,243.19

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Solution

The fourth proportional to 542,391.98, 748,583.78 and 346,243.19 is: 477,868.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,391.98 : 748,583.78 = 346,243.19 : x
  2. Step 2: Convert to fraction form
    542,391.98/748,583.78 = 346,243.19/x
  3. Step 3: Cross multiply
    542,391.98x = 748,583.78 × 346,243.19
  4. Step 4: Simplify right side
    542,391.98x = 259,192,030,495.32
  5. Step 5: Solve for x
    x = 259,192,030,495.32/542,391.98
  6. Step 6: Final answer
    x = 477,868.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.