Home / 679,477.58-1,016,998.54-499,515.36

Finding the Fourth Proportional to 679,477.58, 1,016,998.54 and 499,515.36

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Solution

The fourth proportional to 679,477.58, 1,016,998.54 and 499,515.36 is: 747,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,477.58 : 1,016,998.54 = 499,515.36 : x
  2. Step 2: Convert to fraction form
    679,477.58/1,016,998.54 = 499,515.36/x
  3. Step 3: Cross multiply
    679,477.58x = 1,016,998.54 × 499,515.36
  4. Step 4: Simplify right side
    679,477.58x = 508,006,391,827.57
  5. Step 5: Solve for x
    x = 508,006,391,827.57/679,477.58
  6. Step 6: Final answer
    x = 747,642.62

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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.