Home / 958,439.16-1,437,238.98-358,979.76

Finding the Fourth Proportional to 958,439.16, 1,437,238.98 and 358,979.76

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Solution

The fourth proportional to 958,439.16, 1,437,238.98 and 358,979.76 is: 538,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,439.16 : 1,437,238.98 = 358,979.76 : x
  2. Step 2: Convert to fraction form
    958,439.16/1,437,238.98 = 358,979.76/x
  3. Step 3: Cross multiply
    958,439.16x = 1,437,238.98 × 358,979.76
  4. Step 4: Simplify right side
    958,439.16x = 515,939,704,103.05
  5. Step 5: Solve for x
    x = 515,939,704,103.05/958,439.16
  6. Step 6: Final answer
    x = 538,312.42

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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.