Home / 940,900.10-1,298,416.85-553,738.29

Finding the Fourth Proportional to 940,900.10, 1,298,416.85 and 553,738.29

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Solution

The fourth proportional to 940,900.10, 1,298,416.85 and 553,738.29 is: 764,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,900.10 : 1,298,416.85 = 553,738.29 : x
  2. Step 2: Convert to fraction form
    940,900.10/1,298,416.85 = 553,738.29/x
  3. Step 3: Cross multiply
    940,900.10x = 1,298,416.85 × 553,738.29
  4. Step 4: Simplify right side
    940,900.10x = 718,983,126,226.19
  5. Step 5: Solve for x
    x = 718,983,126,226.19/940,900.10
  6. Step 6: Final answer
    x = 764,143.96

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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.