Home / 940,831.20-1,298,458.35-558,859.50

Finding the Fourth Proportional to 940,831.20, 1,298,458.35 and 558,859.50

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Solution

The fourth proportional to 940,831.20, 1,298,458.35 and 558,859.50 is: 771,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,831.20 : 1,298,458.35 = 558,859.50 : x
  2. Step 2: Convert to fraction form
    940,831.20/1,298,458.35 = 558,859.50/x
  3. Step 3: Cross multiply
    940,831.20x = 1,298,458.35 × 558,859.50
  4. Step 4: Simplify right side
    940,831.20x = 725,655,784,251.83
  5. Step 5: Solve for x
    x = 725,655,784,251.83/940,831.20
  6. Step 6: Final answer
    x = 771,292.22

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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.