Home / 864,211.47-1,193,060.22-631,377.28

Finding the Fourth Proportional to 864,211.47, 1,193,060.22 and 631,377.28

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Solution

The fourth proportional to 864,211.47, 1,193,060.22 and 631,377.28 is: 871,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,211.47 : 1,193,060.22 = 631,377.28 : x
  2. Step 2: Convert to fraction form
    864,211.47/1,193,060.22 = 631,377.28/x
  3. Step 3: Cross multiply
    864,211.47x = 1,193,060.22 × 631,377.28
  4. Step 4: Simplify right side
    864,211.47x = 753,271,110,614.50
  5. Step 5: Solve for x
    x = 753,271,110,614.50/864,211.47
  6. Step 6: Final answer
    x = 871,628.23

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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.