Home / 549,207.47-822,324.43-388,623.35

Finding the Fourth Proportional to 549,207.47, 822,324.43 and 388,623.35

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Solution

The fourth proportional to 549,207.47, 822,324.43 and 388,623.35 is: 581,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,207.47 : 822,324.43 = 388,623.35 : x
  2. Step 2: Convert to fraction form
    549,207.47/822,324.43 = 388,623.35/x
  3. Step 3: Cross multiply
    549,207.47x = 822,324.43 × 388,623.35
  4. Step 4: Simplify right side
    549,207.47x = 319,574,474,773.44
  5. Step 5: Solve for x
    x = 319,574,474,773.44/549,207.47
  6. Step 6: Final answer
    x = 581,882.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.