Home / 692,798.40-1,039,226.40-219,473.28

Finding the Fourth Proportional to 692,798.40, 1,039,226.40 and 219,473.28

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Solution

The fourth proportional to 692,798.40, 1,039,226.40 and 219,473.28 is: 329,219.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,798.40 : 1,039,226.40 = 219,473.28 : x
  2. Step 2: Convert to fraction form
    692,798.40/1,039,226.40 = 219,473.28/x
  3. Step 3: Cross multiply
    692,798.40x = 1,039,226.40 × 219,473.28
  4. Step 4: Simplify right side
    692,798.40x = 228,082,426,670.59
  5. Step 5: Solve for x
    x = 228,082,426,670.59/692,798.40
  6. Step 6: Final answer
    x = 329,219.04

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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.