Home / 693,607.92-1,040,336.28-470,402.16

Finding the Fourth Proportional to 693,607.92, 1,040,336.28 and 470,402.16

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Solution

The fourth proportional to 693,607.92, 1,040,336.28 and 470,402.16 is: 705,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,607.92 : 1,040,336.28 = 470,402.16 : x
  2. Step 2: Convert to fraction form
    693,607.92/1,040,336.28 = 470,402.16/x
  3. Step 3: Cross multiply
    693,607.92x = 1,040,336.28 × 470,402.16
  4. Step 4: Simplify right side
    693,607.92x = 489,376,433,238.37
  5. Step 5: Solve for x
    x = 489,376,433,238.37/693,607.92
  6. Step 6: Final answer
    x = 705,551.97

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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.