Home / 709,471.37-1,063,282.94-288,254.81

Finding the Fourth Proportional to 709,471.37, 1,063,282.94 and 288,254.81

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Solution

The fourth proportional to 709,471.37, 1,063,282.94 and 288,254.81 is: 432,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,471.37 : 1,063,282.94 = 288,254.81 : x
  2. Step 2: Convert to fraction form
    709,471.37/1,063,282.94 = 288,254.81/x
  3. Step 3: Cross multiply
    709,471.37x = 1,063,282.94 × 288,254.81
  4. Step 4: Simplify right side
    709,471.37x = 306,496,424,143.83
  5. Step 5: Solve for x
    x = 306,496,424,143.83/709,471.37
  6. Step 6: Final answer
    x = 432,006.75

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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.