Home / 480,734.02-720,795.75-255,955.78

Finding the Fourth Proportional to 480,734.02, 720,795.75 and 255,955.78

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Solution

The fourth proportional to 480,734.02, 720,795.75 and 255,955.78 is: 383,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,734.02 : 720,795.75 = 255,955.78 : x
  2. Step 2: Convert to fraction form
    480,734.02/720,795.75 = 255,955.78/x
  3. Step 3: Cross multiply
    480,734.02x = 720,795.75 × 255,955.78
  4. Step 4: Simplify right side
    480,734.02x = 184,491,838,411.94
  5. Step 5: Solve for x
    x = 184,491,838,411.94/480,734.02
  6. Step 6: Final answer
    x = 383,771.13

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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.