Home / 771,319.86-1,157,417.25-416,326.02

Finding the Fourth Proportional to 771,319.86, 1,157,417.25 and 416,326.02

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Solution

The fourth proportional to 771,319.86, 1,157,417.25 and 416,326.02 is: 624,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,319.86 : 1,157,417.25 = 416,326.02 : x
  2. Step 2: Convert to fraction form
    771,319.86/1,157,417.25 = 416,326.02/x
  3. Step 3: Cross multiply
    771,319.86x = 1,157,417.25 × 416,326.02
  4. Step 4: Simplify right side
    771,319.86x = 481,862,917,171.85
  5. Step 5: Solve for x
    x = 481,862,917,171.85/771,319.86
  6. Step 6: Final answer
    x = 624,725.15

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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.