Home / 957,460.32-1,321,288.64-527,740.80

Finding the Fourth Proportional to 957,460.32, 1,321,288.64 and 527,740.80

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Solution

The fourth proportional to 957,460.32, 1,321,288.64 and 527,740.80 is: 728,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,460.32 : 1,321,288.64 = 527,740.80 : x
  2. Step 2: Convert to fraction form
    957,460.32/1,321,288.64 = 527,740.80/x
  3. Step 3: Cross multiply
    957,460.32x = 1,321,288.64 × 527,740.80
  4. Step 4: Simplify right side
    957,460.32x = 697,297,923,904.51
  5. Step 5: Solve for x
    x = 697,297,923,904.51/957,460.32
  6. Step 6: Final answer
    x = 728,278.67

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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.