Home / 778,892.73-1,074,024.62-506,455.41

Finding the Fourth Proportional to 778,892.73, 1,074,024.62 and 506,455.41

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Solution

The fourth proportional to 778,892.73, 1,074,024.62 and 506,455.41 is: 698,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,892.73 : 1,074,024.62 = 506,455.41 : x
  2. Step 2: Convert to fraction form
    778,892.73/1,074,024.62 = 506,455.41/x
  3. Step 3: Cross multiply
    778,892.73x = 1,074,024.62 × 506,455.41
  4. Step 4: Simplify right side
    778,892.73x = 543,945,579,272.19
  5. Step 5: Solve for x
    x = 543,945,579,272.19/778,892.73
  6. Step 6: Final answer
    x = 698,357.50

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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.