Home / 766,319.94-1,057,476.87-563,223.78

Finding the Fourth Proportional to 766,319.94, 1,057,476.87 and 563,223.78

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Solution

The fourth proportional to 766,319.94, 1,057,476.87 and 563,223.78 is: 777,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,319.94 : 1,057,476.87 = 563,223.78 : x
  2. Step 2: Convert to fraction form
    766,319.94/1,057,476.87 = 563,223.78/x
  3. Step 3: Cross multiply
    766,319.94x = 1,057,476.87 × 563,223.78
  4. Step 4: Simplify right side
    766,319.94x = 595,596,119,983.97
  5. Step 5: Solve for x
    x = 595,596,119,983.97/766,319.94
  6. Step 6: Final answer
    x = 777,216.00

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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.