Home / 820,828.38-1,132,762.22-514,917.64

Finding the Fourth Proportional to 820,828.38, 1,132,762.22 and 514,917.64

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Solution

The fourth proportional to 820,828.38, 1,132,762.22 and 514,917.64 is: 710,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,828.38 : 1,132,762.22 = 514,917.64 : x
  2. Step 2: Convert to fraction form
    820,828.38/1,132,762.22 = 514,917.64/x
  3. Step 3: Cross multiply
    820,828.38x = 1,132,762.22 × 514,917.64
  4. Step 4: Simplify right side
    820,828.38x = 583,279,249,775.87
  5. Step 5: Solve for x
    x = 583,279,249,775.87/820,828.38
  6. Step 6: Final answer
    x = 710,598.29

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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.