Home / 636,050.80-878,529.04-475,619.60

Finding the Fourth Proportional to 636,050.80, 878,529.04 and 475,619.60

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Solution

The fourth proportional to 636,050.80, 878,529.04 and 475,619.60 is: 656,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,050.80 : 878,529.04 = 475,619.60 : x
  2. Step 2: Convert to fraction form
    636,050.80/878,529.04 = 475,619.60/x
  3. Step 3: Cross multiply
    636,050.80x = 878,529.04 × 475,619.60
  4. Step 4: Simplify right side
    636,050.80x = 417,845,630,593.18
  5. Step 5: Solve for x
    x = 417,845,630,593.18/636,050.80
  6. Step 6: Final answer
    x = 656,937.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.