Home / 870,094.62-1,305,089.64-517,353.48

Finding the Fourth Proportional to 870,094.62, 1,305,089.64 and 517,353.48

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Solution

The fourth proportional to 870,094.62, 1,305,089.64 and 517,353.48 is: 775,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,094.62 : 1,305,089.64 = 517,353.48 : x
  2. Step 2: Convert to fraction form
    870,094.62/1,305,089.64 = 517,353.48/x
  3. Step 3: Cross multiply
    870,094.62x = 1,305,089.64 × 517,353.48
  4. Step 4: Simplify right side
    870,094.62x = 675,192,666,965.95
  5. Step 5: Solve for x
    x = 675,192,666,965.95/870,094.62
  6. Step 6: Final answer
    x = 775,999.13

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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.