Home / 519,117.30-724,992.75-519,117.30

Finding the Fourth Proportional to 519,117.30, 724,992.75 and 519,117.30

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Solution

The fourth proportional to 519,117.30, 724,992.75 and 519,117.30 is: 724,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,117.30 : 724,992.75 = 519,117.30 : x
  2. Step 2: Convert to fraction form
    519,117.30/724,992.75 = 519,117.30/x
  3. Step 3: Cross multiply
    519,117.30x = 724,992.75 × 519,117.30
  4. Step 4: Simplify right side
    519,117.30x = 376,356,278,899.58
  5. Step 5: Solve for x
    x = 376,356,278,899.58/519,117.30
  6. Step 6: Final answer
    x = 724,992.75

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.