Home / 836,631.04-1,154,558.16-454,657.80

Finding the Fourth Proportional to 836,631.04, 1,154,558.16 and 454,657.80

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Solution

The fourth proportional to 836,631.04, 1,154,558.16 and 454,657.80 is: 627,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,631.04 : 1,154,558.16 = 454,657.80 : x
  2. Step 2: Convert to fraction form
    836,631.04/1,154,558.16 = 454,657.80/x
  3. Step 3: Cross multiply
    836,631.04x = 1,154,558.16 × 454,657.80
  4. Step 4: Simplify right side
    836,631.04x = 524,928,872,997.65
  5. Step 5: Solve for x
    x = 524,928,872,997.65/836,631.04
  6. Step 6: Final answer
    x = 627,431.74

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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.