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Finding the Fourth Proportional to 637,389.72, 956,675.88 and 322,068.06

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Solution

The fourth proportional to 637,389.72, 956,675.88 and 322,068.06 is: 483,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,389.72 : 956,675.88 = 322,068.06 : x
  2. Step 2: Convert to fraction form
    637,389.72/956,675.88 = 322,068.06/x
  3. Step 3: Cross multiply
    637,389.72x = 956,675.88 × 322,068.06
  4. Step 4: Simplify right side
    637,389.72x = 308,114,744,720.39
  5. Step 5: Solve for x
    x = 308,114,744,720.39/637,389.72
  6. Step 6: Final answer
    x = 483,400.87

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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.