Home / 810,576.84-1,118,732.10-548,813.40

Finding the Fourth Proportional to 810,576.84, 1,118,732.10 and 548,813.40

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Solution

The fourth proportional to 810,576.84, 1,118,732.10 and 548,813.40 is: 757,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,576.84 : 1,118,732.10 = 548,813.40 : x
  2. Step 2: Convert to fraction form
    810,576.84/1,118,732.10 = 548,813.40/x
  3. Step 3: Cross multiply
    810,576.84x = 1,118,732.10 × 548,813.40
  4. Step 4: Simplify right side
    810,576.84x = 613,975,167,490.14
  5. Step 5: Solve for x
    x = 613,975,167,490.14/810,576.84
  6. Step 6: Final answer
    x = 757,454.61

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1.5x scale

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.