Home / 563,042.88-776,998.08-308,399.04

Finding the Fourth Proportional to 563,042.88, 776,998.08 and 308,399.04

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Solution

The fourth proportional to 563,042.88, 776,998.08 and 308,399.04 is: 425,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,042.88 : 776,998.08 = 308,399.04 : x
  2. Step 2: Convert to fraction form
    563,042.88/776,998.08 = 308,399.04/x
  3. Step 3: Cross multiply
    563,042.88x = 776,998.08 × 308,399.04
  4. Step 4: Simplify right side
    563,042.88x = 239,625,461,953.84
  5. Step 5: Solve for x
    x = 239,625,461,953.84/563,042.88
  6. Step 6: Final answer
    x = 425,590.08

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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.