Home / 862,054.47-1,293,189.06-293,391.87

Finding the Fourth Proportional to 862,054.47, 1,293,189.06 and 293,391.87

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Solution

The fourth proportional to 862,054.47, 1,293,189.06 and 293,391.87 is: 440,124.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,054.47 : 1,293,189.06 = 293,391.87 : x
  2. Step 2: Convert to fraction form
    862,054.47/1,293,189.06 = 293,391.87/x
  3. Step 3: Cross multiply
    862,054.47x = 1,293,189.06 × 293,391.87
  4. Step 4: Simplify right side
    862,054.47x = 379,411,160,101.89
  5. Step 5: Solve for x
    x = 379,411,160,101.89/862,054.47
  6. Step 6: Final answer
    x = 440,124.34

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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.