Home / 651,309.90-898,836.30-360,920.64

Finding the Fourth Proportional to 651,309.90, 898,836.30 and 360,920.64

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Solution

The fourth proportional to 651,309.90, 898,836.30 and 360,920.64 is: 498,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,309.90 : 898,836.30 = 360,920.64 : x
  2. Step 2: Convert to fraction form
    651,309.90/898,836.30 = 360,920.64/x
  3. Step 3: Cross multiply
    651,309.90x = 898,836.30 × 360,920.64
  4. Step 4: Simplify right side
    651,309.90x = 324,408,572,651.23
  5. Step 5: Solve for x
    x = 324,408,572,651.23/651,309.90
  6. Step 6: Final answer
    x = 498,086.36

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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.