Home / 776,263.62-1,164,001.52-355,178.64

Finding the Fourth Proportional to 776,263.62, 1,164,001.52 and 355,178.64

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Solution

The fourth proportional to 776,263.62, 1,164,001.52 and 355,178.64 is: 532,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,263.62 : 1,164,001.52 = 355,178.64 : x
  2. Step 2: Convert to fraction form
    776,263.62/1,164,001.52 = 355,178.64/x
  3. Step 3: Cross multiply
    776,263.62x = 1,164,001.52 × 355,178.64
  4. Step 4: Simplify right side
    776,263.62x = 413,428,476,831.53
  5. Step 5: Solve for x
    x = 413,428,476,831.53/776,263.62
  6. Step 6: Final answer
    x = 532,587.73

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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.