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Finding the Fourth Proportional to 564,678.06, 779,033.46 and 322,830.69

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Solution

The fourth proportional to 564,678.06, 779,033.46 and 322,830.69 is: 445,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,678.06 : 779,033.46 = 322,830.69 : x
  2. Step 2: Convert to fraction form
    564,678.06/779,033.46 = 322,830.69/x
  3. Step 3: Cross multiply
    564,678.06x = 779,033.46 × 322,830.69
  4. Step 4: Simplify right side
    564,678.06x = 251,495,909,424.89
  5. Step 5: Solve for x
    x = 251,495,909,424.89/564,678.06
  6. Step 6: Final answer
    x = 445,379.28

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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.