Home / 942,900.16-1,301,198.34-513,180.28

Finding the Fourth Proportional to 942,900.16, 1,301,198.34 and 513,180.28

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Solution

The fourth proportional to 942,900.16, 1,301,198.34 and 513,180.28 is: 708,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,900.16 : 1,301,198.34 = 513,180.28 : x
  2. Step 2: Convert to fraction form
    942,900.16/1,301,198.34 = 513,180.28/x
  3. Step 3: Cross multiply
    942,900.16x = 1,301,198.34 × 513,180.28
  4. Step 4: Simplify right side
    942,900.16x = 667,749,328,456.74
  5. Step 5: Solve for x
    x = 667,749,328,456.74/942,900.16
  6. Step 6: Final answer
    x = 708,186.67

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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.