Home / 946,443.52-1,306,040.88-538,533.28

Finding the Fourth Proportional to 946,443.52, 1,306,040.88 and 538,533.28

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Solution

The fourth proportional to 946,443.52, 1,306,040.88 and 538,533.28 is: 743,146.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,443.52 : 1,306,040.88 = 538,533.28 : x
  2. Step 2: Convert to fraction form
    946,443.52/1,306,040.88 = 538,533.28/x
  3. Step 3: Cross multiply
    946,443.52x = 1,306,040.88 × 538,533.28
  4. Step 4: Simplify right side
    946,443.52x = 703,346,478,920.49
  5. Step 5: Solve for x
    x = 703,346,478,920.49/946,443.52
  6. Step 6: Final answer
    x = 743,146.81

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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.