Home / 761,792.61-1,141,883.25-281,711.93

Finding the Fourth Proportional to 761,792.61, 1,141,883.25 and 281,711.93

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Solution

The fourth proportional to 761,792.61, 1,141,883.25 and 281,711.93 is: 422,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,792.61 : 1,141,883.25 = 281,711.93 : x
  2. Step 2: Convert to fraction form
    761,792.61/1,141,883.25 = 281,711.93/x
  3. Step 3: Cross multiply
    761,792.61x = 1,141,883.25 × 281,711.93
  4. Step 4: Simplify right side
    761,792.61x = 321,682,128,482.76
  5. Step 5: Solve for x
    x = 321,682,128,482.76/761,792.61
  6. Step 6: Final answer
    x = 422,269.95

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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.