Home / 808,320.30-1,212,480.45-683,904.30

Finding the Fourth Proportional to 808,320.30, 1,212,480.45 and 683,904.30

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Solution

The fourth proportional to 808,320.30, 1,212,480.45 and 683,904.30 is: 1,025,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,320.30 : 1,212,480.45 = 683,904.30 : x
  2. Step 2: Convert to fraction form
    808,320.30/1,212,480.45 = 683,904.30/x
  3. Step 3: Cross multiply
    808,320.30x = 1,212,480.45 × 683,904.30
  4. Step 4: Simplify right side
    808,320.30x = 829,220,593,420.94
  5. Step 5: Solve for x
    x = 829,220,593,420.94/808,320.30
  6. Step 6: Final answer
    x = 1,025,856.45

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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.