Home / 817,223.10-1,225,570.86-297,824.38

Finding the Fourth Proportional to 817,223.10, 1,225,570.86 and 297,824.38

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Solution

The fourth proportional to 817,223.10, 1,225,570.86 and 297,824.38 is: 446,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,223.10 : 1,225,570.86 = 297,824.38 : x
  2. Step 2: Convert to fraction form
    817,223.10/1,225,570.86 = 297,824.38/x
  3. Step 3: Cross multiply
    817,223.10x = 1,225,570.86 × 297,824.38
  4. Step 4: Simplify right side
    817,223.10x = 365,004,881,525.57
  5. Step 5: Solve for x
    x = 365,004,881,525.57/817,223.10
  6. Step 6: Final answer
    x = 446,640.44

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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.