Home / 722,084.81-1,083,353.79-434,227.76

Finding the Fourth Proportional to 722,084.81, 1,083,353.79 and 434,227.76

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Solution

The fourth proportional to 722,084.81, 1,083,353.79 and 434,227.76 is: 651,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,084.81 : 1,083,353.79 = 434,227.76 : x
  2. Step 2: Convert to fraction form
    722,084.81/1,083,353.79 = 434,227.76/x
  3. Step 3: Cross multiply
    722,084.81x = 1,083,353.79 × 434,227.76
  4. Step 4: Simplify right side
    722,084.81x = 470,422,289,793.37
  5. Step 5: Solve for x
    x = 470,422,289,793.37/722,084.81
  6. Step 6: Final answer
    x = 651,477.90

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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.