Home / 457,950.24-686,058.32-305,688.21

Finding the Fourth Proportional to 457,950.24, 686,058.32 and 305,688.21

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Solution

The fourth proportional to 457,950.24, 686,058.32 and 305,688.21 is: 457,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,950.24 : 686,058.32 = 305,688.21 : x
  2. Step 2: Convert to fraction form
    457,950.24/686,058.32 = 305,688.21/x
  3. Step 3: Cross multiply
    457,950.24x = 686,058.32 × 305,688.21
  4. Step 4: Simplify right side
    457,950.24x = 209,719,936,841.58
  5. Step 5: Solve for x
    x = 209,719,936,841.58/457,950.24
  6. Step 6: Final answer
    x = 457,953.55

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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.