Home / 637,731.19-956,731.74-211,242.87

Finding the Fourth Proportional to 637,731.19, 956,731.74 and 211,242.87

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Solution

The fourth proportional to 637,731.19, 956,731.74 and 211,242.87 is: 316,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,731.19 : 956,731.74 = 211,242.87 : x
  2. Step 2: Convert to fraction form
    637,731.19/956,731.74 = 211,242.87/x
  3. Step 3: Cross multiply
    637,731.19x = 956,731.74 × 211,242.87
  4. Step 4: Simplify right side
    637,731.19x = 202,102,757,785.53
  5. Step 5: Solve for x
    x = 202,102,757,785.53/637,731.19
  6. Step 6: Final answer
    x = 316,909.01

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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.