Home / 945,871.95-1,305,292.55-516,159.39

Finding the Fourth Proportional to 945,871.95, 1,305,292.55 and 516,159.39

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Solution

The fourth proportional to 945,871.95, 1,305,292.55 and 516,159.39 is: 712,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,871.95 : 1,305,292.55 = 516,159.39 : x
  2. Step 2: Convert to fraction form
    945,871.95/1,305,292.55 = 516,159.39/x
  3. Step 3: Cross multiply
    945,871.95x = 1,305,292.55 × 516,159.39
  4. Step 4: Simplify right side
    945,871.95x = 673,739,003,798.75
  5. Step 5: Solve for x
    x = 673,739,003,798.75/945,871.95
  6. Step 6: Final answer
    x = 712,294.09

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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.