Home / 727,583.40-1,091,375.10-228,947.40

Finding the Fourth Proportional to 727,583.40, 1,091,375.10 and 228,947.40

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Solution

The fourth proportional to 727,583.40, 1,091,375.10 and 228,947.40 is: 343,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,583.40 : 1,091,375.10 = 228,947.40 : x
  2. Step 2: Convert to fraction form
    727,583.40/1,091,375.10 = 228,947.40/x
  3. Step 3: Cross multiply
    727,583.40x = 1,091,375.10 × 228,947.40
  4. Step 4: Simplify right side
    727,583.40x = 249,867,491,569.74
  5. Step 5: Solve for x
    x = 249,867,491,569.74/727,583.40
  6. Step 6: Final answer
    x = 343,421.10

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1.5x scale

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.