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Finding the Fourth Proportional to 544,715.10, 817,072.65 and 264,779.10

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Solution

The fourth proportional to 544,715.10, 817,072.65 and 264,779.10 is: 397,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,715.10 : 817,072.65 = 264,779.10 : x
  2. Step 2: Convert to fraction form
    544,715.10/817,072.65 = 264,779.10/x
  3. Step 3: Cross multiply
    544,715.10x = 817,072.65 × 264,779.10
  4. Step 4: Simplify right side
    544,715.10x = 216,343,760,901.62
  5. Step 5: Solve for x
    x = 216,343,760,901.62/544,715.10
  6. Step 6: Final answer
    x = 397,168.65

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Similar ratio
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1.5x scale

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.