Home / 965,523.78-1,332,437.31-535,831.74

Finding the Fourth Proportional to 965,523.78, 1,332,437.31 and 535,831.74

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Solution

The fourth proportional to 965,523.78, 1,332,437.31 and 535,831.74 is: 739,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,523.78 : 1,332,437.31 = 535,831.74 : x
  2. Step 2: Convert to fraction form
    965,523.78/1,332,437.31 = 535,831.74/x
  3. Step 3: Cross multiply
    965,523.78x = 1,332,437.31 × 535,831.74
  4. Step 4: Simplify right side
    965,523.78x = 713,962,202,258.22
  5. Step 5: Solve for x
    x = 713,962,202,258.22/965,523.78
  6. Step 6: Final answer
    x = 739,455.84

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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.