Home / 817,220.10-1,225,566.36-297,821.37

Finding the Fourth Proportional to 817,220.10, 1,225,566.36 and 297,821.37

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Solution

The fourth proportional to 817,220.10, 1,225,566.36 and 297,821.37 is: 446,635.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,220.10 : 1,225,566.36 = 297,821.37 : x
  2. Step 2: Convert to fraction form
    817,220.10/1,225,566.36 = 297,821.37/x
  3. Step 3: Cross multiply
    817,220.10x = 1,225,566.36 × 297,821.37
  4. Step 4: Simplify right side
    817,220.10x = 364,999,852,361.11
  5. Step 5: Solve for x
    x = 364,999,852,361.11/817,220.10
  6. Step 6: Final answer
    x = 446,635.92

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1.5x scale

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.