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Finding the Fourth Proportional to 577,612.24, 866,418.36 and 380,574.16

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Solution

The fourth proportional to 577,612.24, 866,418.36 and 380,574.16 is: 570,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,612.24 : 866,418.36 = 380,574.16 : x
  2. Step 2: Convert to fraction form
    577,612.24/866,418.36 = 380,574.16/x
  3. Step 3: Cross multiply
    577,612.24x = 866,418.36 × 380,574.16
  4. Step 4: Simplify right side
    577,612.24x = 329,736,439,565.58
  5. Step 5: Solve for x
    x = 329,736,439,565.58/577,612.24
  6. Step 6: Final answer
    x = 570,861.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.