Home / 957,731.85-1,321,748.69-528,052.77

Finding the Fourth Proportional to 957,731.85, 1,321,748.69 and 528,052.77

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Solution

The fourth proportional to 957,731.85, 1,321,748.69 and 528,052.77 is: 728,756.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,731.85 : 1,321,748.69 = 528,052.77 : x
  2. Step 2: Convert to fraction form
    957,731.85/1,321,748.69 = 528,052.77/x
  3. Step 3: Cross multiply
    957,731.85x = 1,321,748.69 × 528,052.77
  4. Step 4: Simplify right side
    957,731.85x = 697,953,054,358.11
  5. Step 5: Solve for x
    x = 697,953,054,358.11/957,731.85
  6. Step 6: Final answer
    x = 728,756.23

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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.