Home / 771,537.69-1,157,382.72-266,032.17

Finding the Fourth Proportional to 771,537.69, 1,157,382.72 and 266,032.17

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Solution

The fourth proportional to 771,537.69, 1,157,382.72 and 266,032.17 is: 399,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,537.69 : 1,157,382.72 = 266,032.17 : x
  2. Step 2: Convert to fraction form
    771,537.69/1,157,382.72 = 266,032.17/x
  3. Step 3: Cross multiply
    771,537.69x = 1,157,382.72 × 266,032.17
  4. Step 4: Simplify right side
    771,537.69x = 307,901,036,522.10
  5. Step 5: Solve for x
    x = 307,901,036,522.10/771,537.69
  6. Step 6: Final answer
    x = 399,074.52

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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.