Home / 873,271.12-1,309,831.64-531,625.87

Finding the Fourth Proportional to 873,271.12, 1,309,831.64 and 531,625.87

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Solution

The fourth proportional to 873,271.12, 1,309,831.64 and 531,625.87 is: 797,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,271.12 : 1,309,831.64 = 531,625.87 : x
  2. Step 2: Convert to fraction form
    873,271.12/1,309,831.64 = 531,625.87/x
  3. Step 3: Cross multiply
    873,271.12x = 1,309,831.64 × 531,625.87
  4. Step 4: Simplify right side
    873,271.12x = 696,340,375,961.24
  5. Step 5: Solve for x
    x = 696,340,375,961.24/873,271.12
  6. Step 6: Final answer
    x = 797,393.11

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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.