Home / 771,505.00-1,157,312.96-266,058.68

Finding the Fourth Proportional to 771,505.00, 1,157,312.96 and 266,058.68

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Solution

The fourth proportional to 771,505.00, 1,157,312.96 and 266,058.68 is: 399,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,505.00 : 1,157,312.96 = 266,058.68 : x
  2. Step 2: Convert to fraction form
    771,505.00/1,157,312.96 = 266,058.68/x
  3. Step 3: Cross multiply
    771,505.00x = 1,157,312.96 × 266,058.68
  4. Step 4: Simplify right side
    771,505.00x = 307,913,153,861.94
  5. Step 5: Solve for x
    x = 307,913,153,861.94/771,505.00
  6. Step 6: Final answer
    x = 399,107.14

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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.