Home / 745,173.54-1,116,880.11-318,584.61

Finding the Fourth Proportional to 745,173.54, 1,116,880.11 and 318,584.61

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Solution

The fourth proportional to 745,173.54, 1,116,880.11 and 318,584.61 is: 477,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,173.54 : 1,116,880.11 = 318,584.61 : x
  2. Step 2: Convert to fraction form
    745,173.54/1,116,880.11 = 318,584.61/x
  3. Step 3: Cross multiply
    745,173.54x = 1,116,880.11 × 318,584.61
  4. Step 4: Simplify right side
    745,173.54x = 355,820,814,261.11
  5. Step 5: Solve for x
    x = 355,820,814,261.11/745,173.54
  6. Step 6: Final answer
    x = 477,500.60

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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.