Home / 328,824.10-492,701.55-297,331.30

Finding the Fourth Proportional to 328,824.10, 492,701.55 and 297,331.30

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Solution

The fourth proportional to 328,824.10, 492,701.55 and 297,331.30 is: 445,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,824.10 : 492,701.55 = 297,331.30 : x
  2. Step 2: Convert to fraction form
    328,824.10/492,701.55 = 297,331.30/x
  3. Step 3: Cross multiply
    328,824.10x = 492,701.55 × 297,331.30
  4. Step 4: Simplify right side
    328,824.10x = 146,495,592,373.52
  5. Step 5: Solve for x
    x = 146,495,592,373.52/328,824.10
  6. Step 6: Final answer
    x = 445,513.55

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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.