Home / 776,528.68-1,071,444.24-454,175.86

Finding the Fourth Proportional to 776,528.68, 1,071,444.24 and 454,175.86

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Solution

The fourth proportional to 776,528.68, 1,071,444.24 and 454,175.86 is: 626,665.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,528.68 : 1,071,444.24 = 454,175.86 : x
  2. Step 2: Convert to fraction form
    776,528.68/1,071,444.24 = 454,175.86/x
  3. Step 3: Cross multiply
    776,528.68x = 1,071,444.24 × 454,175.86
  4. Step 4: Simplify right side
    776,528.68x = 486,624,109,144.05
  5. Step 5: Solve for x
    x = 486,624,109,144.05/776,528.68
  6. Step 6: Final answer
    x = 626,665.98

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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.