Home / 571,288.16-787,968.24-377,471.36

Finding the Fourth Proportional to 571,288.16, 787,968.24 and 377,471.36

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Solution

The fourth proportional to 571,288.16, 787,968.24 and 377,471.36 is: 520,639.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,288.16 : 787,968.24 = 377,471.36 : x
  2. Step 2: Convert to fraction form
    571,288.16/787,968.24 = 377,471.36/x
  3. Step 3: Cross multiply
    571,288.16x = 787,968.24 × 377,471.36
  4. Step 4: Simplify right side
    571,288.16x = 297,435,439,249.77
  5. Step 5: Solve for x
    x = 297,435,439,249.77/571,288.16
  6. Step 6: Final answer
    x = 520,639.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.