Home / 942,719.38-1,300,980.12-513,027.22

Finding the Fourth Proportional to 942,719.38, 1,300,980.12 and 513,027.22

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Solution

The fourth proportional to 942,719.38, 1,300,980.12 and 513,027.22 is: 707,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,719.38 : 1,300,980.12 = 513,027.22 : x
  2. Step 2: Convert to fraction form
    942,719.38/1,300,980.12 = 513,027.22/x
  3. Step 3: Cross multiply
    942,719.38x = 1,300,980.12 × 513,027.22
  4. Step 4: Simplify right side
    942,719.38x = 667,438,214,238.87
  5. Step 5: Solve for x
    x = 667,438,214,238.87/942,719.38
  6. Step 6: Final answer
    x = 707,992.46

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1.5x scale

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.