Home / 774,289.89-1,068,527.36-425,437.57

Finding the Fourth Proportional to 774,289.89, 1,068,527.36 and 425,437.57

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Solution

The fourth proportional to 774,289.89, 1,068,527.36 and 425,437.57 is: 587,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,289.89 : 1,068,527.36 = 425,437.57 : x
  2. Step 2: Convert to fraction form
    774,289.89/1,068,527.36 = 425,437.57/x
  3. Step 3: Cross multiply
    774,289.89x = 1,068,527.36 × 425,437.57
  4. Step 4: Simplify right side
    774,289.89x = 454,591,681,389.73
  5. Step 5: Solve for x
    x = 454,591,681,389.73/774,289.89
  6. Step 6: Final answer
    x = 587,107.86

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Double scale
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1.5x scale

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.