Home / 489,747.38-734,779.84-240,254.42

Finding the Fourth Proportional to 489,747.38, 734,779.84 and 240,254.42

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Solution

The fourth proportional to 489,747.38, 734,779.84 and 240,254.42 is: 360,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,747.38 : 734,779.84 = 240,254.42 : x
  2. Step 2: Convert to fraction form
    489,747.38/734,779.84 = 240,254.42/x
  3. Step 3: Cross multiply
    489,747.38x = 734,779.84 × 240,254.42
  4. Step 4: Simplify right side
    489,747.38x = 176,534,104,286.89
  5. Step 5: Solve for x
    x = 176,534,104,286.89/489,747.38
  6. Step 6: Final answer
    x = 360,459.52

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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.