Home / 545,619.90-817,671.24-474,396.60

Finding the Fourth Proportional to 545,619.90, 817,671.24 and 474,396.60

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Solution

The fourth proportional to 545,619.90, 817,671.24 and 474,396.60 is: 710,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,619.90 : 817,671.24 = 474,396.60 : x
  2. Step 2: Convert to fraction form
    545,619.90/817,671.24 = 474,396.60/x
  3. Step 3: Cross multiply
    545,619.90x = 817,671.24 × 474,396.60
  4. Step 4: Simplify right side
    545,619.90x = 387,900,456,173.78
  5. Step 5: Solve for x
    x = 387,900,456,173.78/545,619.90
  6. Step 6: Final answer
    x = 710,935.32

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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.