Home / 729,176.04-1,006,112.64-419,018.64

Finding the Fourth Proportional to 729,176.04, 1,006,112.64 and 419,018.64

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Solution

The fourth proportional to 729,176.04, 1,006,112.64 and 419,018.64 is: 578,159.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,176.04 : 1,006,112.64 = 419,018.64 : x
  2. Step 2: Convert to fraction form
    729,176.04/1,006,112.64 = 419,018.64/x
  3. Step 3: Cross multiply
    729,176.04x = 1,006,112.64 × 419,018.64
  4. Step 4: Simplify right side
    729,176.04x = 421,579,950,099.61
  5. Step 5: Solve for x
    x = 421,579,950,099.61/729,176.04
  6. Step 6: Final answer
    x = 578,159.36

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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.