Home / 563,810.36-845,699.16-208,816.52

Finding the Fourth Proportional to 563,810.36, 845,699.16 and 208,816.52

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Solution

The fourth proportional to 563,810.36, 845,699.16 and 208,816.52 is: 313,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,810.36 : 845,699.16 = 208,816.52 : x
  2. Step 2: Convert to fraction form
    563,810.36/845,699.16 = 208,816.52/x
  3. Step 3: Cross multiply
    563,810.36x = 845,699.16 × 208,816.52
  4. Step 4: Simplify right side
    563,810.36x = 176,595,955,558.12
  5. Step 5: Solve for x
    x = 176,595,955,558.12/563,810.36
  6. Step 6: Final answer
    x = 313,218.71

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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.