Home / 480,280.06-720,907.56-240,565.72

Finding the Fourth Proportional to 480,280.06, 720,907.56 and 240,565.72

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Solution

The fourth proportional to 480,280.06, 720,907.56 and 240,565.72 is: 361,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,280.06 : 720,907.56 = 240,565.72 : x
  2. Step 2: Convert to fraction form
    480,280.06/720,907.56 = 240,565.72/x
  3. Step 3: Cross multiply
    480,280.06x = 720,907.56 × 240,565.72
  4. Step 4: Simplify right side
    480,280.06x = 173,425,646,224.84
  5. Step 5: Solve for x
    x = 173,425,646,224.84/480,280.06
  6. Step 6: Final answer
    x = 361,092.75

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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.