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Finding the Fourth Proportional to 580,055.50, 870,048.28 and 344,894.68

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Solution

The fourth proportional to 580,055.50, 870,048.28 and 344,894.68 is: 517,321.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,055.50 : 870,048.28 = 344,894.68 : x
  2. Step 2: Convert to fraction form
    580,055.50/870,048.28 = 344,894.68/x
  3. Step 3: Cross multiply
    580,055.50x = 870,048.28 × 344,894.68
  4. Step 4: Simplify right side
    580,055.50x = 300,075,023,115.15
  5. Step 5: Solve for x
    x = 300,075,023,115.15/580,055.50
  6. Step 6: Final answer
    x = 517,321.23

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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.