Home / 987,313.64-1,480,970.66-356,227.25

Finding the Fourth Proportional to 987,313.64, 1,480,970.66 and 356,227.25

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Solution

The fourth proportional to 987,313.64, 1,480,970.66 and 356,227.25 is: 534,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,313.64 : 1,480,970.66 = 356,227.25 : x
  2. Step 2: Convert to fraction form
    987,313.64/1,480,970.66 = 356,227.25/x
  3. Step 3: Cross multiply
    987,313.64x = 1,480,970.66 × 356,227.25
  4. Step 4: Simplify right side
    987,313.64x = 527,562,096,356.50
  5. Step 5: Solve for x
    x = 527,562,096,356.50/987,313.64
  6. Step 6: Final answer
    x = 534,340.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.