Home / 542,746.20-748,124.60-427,837.56

Finding the Fourth Proportional to 542,746.20, 748,124.60 and 427,837.56

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Solution

The fourth proportional to 542,746.20, 748,124.60 and 427,837.56 is: 589,733.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,746.20 : 748,124.60 = 427,837.56 : x
  2. Step 2: Convert to fraction form
    542,746.20/748,124.60 = 427,837.56/x
  3. Step 3: Cross multiply
    542,746.20x = 748,124.60 × 427,837.56
  4. Step 4: Simplify right side
    542,746.20x = 320,075,803,439.98
  5. Step 5: Solve for x
    x = 320,075,803,439.98/542,746.20
  6. Step 6: Final answer
    x = 589,733.85

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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.