Home / 542,106.08-748,122.79-300,366.04

Finding the Fourth Proportional to 542,106.08, 748,122.79 and 300,366.04

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Solution

The fourth proportional to 542,106.08, 748,122.79 and 300,366.04 is: 414,514.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,106.08 : 748,122.79 = 300,366.04 : x
  2. Step 2: Convert to fraction form
    542,106.08/748,122.79 = 300,366.04/x
  3. Step 3: Cross multiply
    542,106.08x = 748,122.79 × 300,366.04
  4. Step 4: Simplify right side
    542,106.08x = 224,710,676,125.44
  5. Step 5: Solve for x
    x = 224,710,676,125.44/542,106.08
  6. Step 6: Final answer
    x = 414,514.21

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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.