Home / 784,040.72-1,175,027.66-310,467.72

Finding the Fourth Proportional to 784,040.72, 1,175,027.66 and 310,467.72

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Solution

The fourth proportional to 784,040.72, 1,175,027.66 and 310,467.72 is: 465,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,040.72 : 1,175,027.66 = 310,467.72 : x
  2. Step 2: Convert to fraction form
    784,040.72/1,175,027.66 = 310,467.72/x
  3. Step 3: Cross multiply
    784,040.72x = 1,175,027.66 × 310,467.72
  4. Step 4: Simplify right side
    784,040.72x = 364,808,158,537.14
  5. Step 5: Solve for x
    x = 364,808,158,537.14/784,040.72
  6. Step 6: Final answer
    x = 465,292.36

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1.5x scale

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.