Home / 408,320.02-563,346.75-247,113.82

Finding the Fourth Proportional to 408,320.02, 563,346.75 and 247,113.82

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Solution

The fourth proportional to 408,320.02, 563,346.75 and 247,113.82 is: 340,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,320.02 : 563,346.75 = 247,113.82 : x
  2. Step 2: Convert to fraction form
    408,320.02/563,346.75 = 247,113.82/x
  3. Step 3: Cross multiply
    408,320.02x = 563,346.75 × 247,113.82
  4. Step 4: Simplify right side
    408,320.02x = 139,210,767,377.09
  5. Step 5: Solve for x
    x = 139,210,767,377.09/408,320.02
  6. Step 6: Final answer
    x = 340,935.44

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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.