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Finding the Fourth Proportional to 472,045.68, 708,069.19 and 360,360.02

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Solution

The fourth proportional to 472,045.68, 708,069.19 and 360,360.02 is: 540,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,045.68 : 708,069.19 = 360,360.02 : x
  2. Step 2: Convert to fraction form
    472,045.68/708,069.19 = 360,360.02/x
  3. Step 3: Cross multiply
    472,045.68x = 708,069.19 × 360,360.02
  4. Step 4: Simplify right side
    472,045.68x = 255,159,827,469.78
  5. Step 5: Solve for x
    x = 255,159,827,469.78/472,045.68
  6. Step 6: Final answer
    x = 540,540.54

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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.