Home / 820,056.52-1,131,537.83-475,813.53

Finding the Fourth Proportional to 820,056.52, 1,131,537.83 and 475,813.53

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Solution

The fourth proportional to 820,056.52, 1,131,537.83 and 475,813.53 is: 656,541.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,056.52 : 1,131,537.83 = 475,813.53 : x
  2. Step 2: Convert to fraction form
    820,056.52/1,131,537.83 = 475,813.53/x
  3. Step 3: Cross multiply
    820,056.52x = 1,131,537.83 × 475,813.53
  4. Step 4: Simplify right side
    820,056.52x = 538,401,001,184.08
  5. Step 5: Solve for x
    x = 538,401,001,184.08/820,056.52
  6. Step 6: Final answer
    x = 656,541.34

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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.