Home / 667,702.29-1,002,554.07-578,021.64

Finding the Fourth Proportional to 667,702.29, 1,002,554.07 and 578,021.64

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Solution

The fourth proportional to 667,702.29, 1,002,554.07 and 578,021.64 is: 867,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,702.29 : 1,002,554.07 = 578,021.64 : x
  2. Step 2: Convert to fraction form
    667,702.29/1,002,554.07 = 578,021.64/x
  3. Step 3: Cross multiply
    667,702.29x = 1,002,554.07 × 578,021.64
  4. Step 4: Simplify right side
    667,702.29x = 579,497,947,730.08
  5. Step 5: Solve for x
    x = 579,497,947,730.08/667,702.29
  6. Step 6: Final answer
    x = 867,898.70

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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.