Home / 915,005.57-1,262,739.78-552,358.44

Finding the Fourth Proportional to 915,005.57, 1,262,739.78 and 552,358.44

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Solution

The fourth proportional to 915,005.57, 1,262,739.78 and 552,358.44 is: 762,274.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,005.57 : 1,262,739.78 = 552,358.44 : x
  2. Step 2: Convert to fraction form
    915,005.57/1,262,739.78 = 552,358.44/x
  3. Step 3: Cross multiply
    915,005.57x = 1,262,739.78 × 552,358.44
  4. Step 4: Simplify right side
    915,005.57x = 697,484,975,006.74
  5. Step 5: Solve for x
    x = 697,484,975,006.74/915,005.57
  6. Step 6: Final answer
    x = 762,274.03

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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.