Home / 900,513.87-1,348,606.13-515,094.59

Finding the Fourth Proportional to 900,513.87, 1,348,606.13 and 515,094.59

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Solution

The fourth proportional to 900,513.87, 1,348,606.13 and 515,094.59 is: 771,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,513.87 : 1,348,606.13 = 515,094.59 : x
  2. Step 2: Convert to fraction form
    900,513.87/1,348,606.13 = 515,094.59/x
  3. Step 3: Cross multiply
    900,513.87x = 1,348,606.13 × 515,094.59
  4. Step 4: Simplify right side
    900,513.87x = 694,659,715,978.78
  5. Step 5: Solve for x
    x = 694,659,715,978.78/900,513.87
  6. Step 6: Final answer
    x = 771,403.69

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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.