Home / 692,698.80-1,039,041.01-219,384.11

Finding the Fourth Proportional to 692,698.80, 1,039,041.01 and 219,384.11

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Solution

The fourth proportional to 692,698.80, 1,039,041.01 and 219,384.11 is: 329,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,698.80 : 1,039,041.01 = 219,384.11 : x
  2. Step 2: Convert to fraction form
    692,698.80/1,039,041.01 = 219,384.11/x
  3. Step 3: Cross multiply
    692,698.80x = 1,039,041.01 × 219,384.11
  4. Step 4: Simplify right side
    692,698.80x = 227,949,087,232.35
  5. Step 5: Solve for x
    x = 227,949,087,232.35/692,698.80
  6. Step 6: Final answer
    x = 329,073.89

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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.