Home / 581,391.72-802,387.08-323,294.40

Finding the Fourth Proportional to 581,391.72, 802,387.08 and 323,294.40

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Solution

The fourth proportional to 581,391.72, 802,387.08 and 323,294.40 is: 446,183.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,391.72 : 802,387.08 = 323,294.40 : x
  2. Step 2: Convert to fraction form
    581,391.72/802,387.08 = 323,294.40/x
  3. Step 3: Cross multiply
    581,391.72x = 802,387.08 × 323,294.40
  4. Step 4: Simplify right side
    581,391.72x = 259,407,249,596.35
  5. Step 5: Solve for x
    x = 259,407,249,596.35/581,391.72
  6. Step 6: Final answer
    x = 446,183.25

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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.