Home / 697,715.20-1,046,649.60-254,579.20

Finding the Fourth Proportional to 697,715.20, 1,046,649.60 and 254,579.20

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Solution

The fourth proportional to 697,715.20, 1,046,649.60 and 254,579.20 is: 381,896.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,715.20 : 1,046,649.60 = 254,579.20 : x
  2. Step 2: Convert to fraction form
    697,715.20/1,046,649.60 = 254,579.20/x
  3. Step 3: Cross multiply
    697,715.20x = 1,046,649.60 × 254,579.20
  4. Step 4: Simplify right side
    697,715.20x = 266,455,217,848.32
  5. Step 5: Solve for x
    x = 266,455,217,848.32/697,715.20
  6. Step 6: Final answer
    x = 381,896.82

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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.