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Finding the Fourth Proportional to 578,005.10, 867,007.65 and 578,005.10

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Solution

The fourth proportional to 578,005.10, 867,007.65 and 578,005.10 is: 867,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,005.10 : 867,007.65 = 578,005.10 : x
  2. Step 2: Convert to fraction form
    578,005.10/867,007.65 = 578,005.10/x
  3. Step 3: Cross multiply
    578,005.10x = 867,007.65 × 578,005.10
  4. Step 4: Simplify right side
    578,005.10x = 501,134,843,439.02
  5. Step 5: Solve for x
    x = 501,134,843,439.02/578,005.10
  6. Step 6: Final answer
    x = 867,007.65

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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.