Home / 946,483.28-1,306,175.64-538,643.72

Finding the Fourth Proportional to 946,483.28, 1,306,175.64 and 538,643.72

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Solution

The fourth proportional to 946,483.28, 1,306,175.64 and 538,643.72 is: 743,344.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,483.28 : 1,306,175.64 = 538,643.72 : x
  2. Step 2: Convert to fraction form
    946,483.28/1,306,175.64 = 538,643.72/x
  3. Step 3: Cross multiply
    946,483.28x = 1,306,175.64 × 538,643.72
  4. Step 4: Simplify right side
    946,483.28x = 703,563,305,702.98
  5. Step 5: Solve for x
    x = 703,563,305,702.98/946,483.28
  6. Step 6: Final answer
    x = 743,344.67

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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.