Home / 758,530.16-1,137,838.95-285,219.62

Finding the Fourth Proportional to 758,530.16, 1,137,838.95 and 285,219.62

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Solution

The fourth proportional to 758,530.16, 1,137,838.95 and 285,219.62 is: 427,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,530.16 : 1,137,838.95 = 285,219.62 : x
  2. Step 2: Convert to fraction form
    758,530.16/1,137,838.95 = 285,219.62/x
  3. Step 3: Cross multiply
    758,530.16x = 1,137,838.95 × 285,219.62
  4. Step 4: Simplify right side
    758,530.16x = 324,533,987,251.00
  5. Step 5: Solve for x
    x = 324,533,987,251.00/758,530.16
  6. Step 6: Final answer
    x = 427,845.86

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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.