Home / 913,248.84-1,369,651.68-380,479.20

Finding the Fourth Proportional to 913,248.84, 1,369,651.68 and 380,479.20

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Solution

The fourth proportional to 913,248.84, 1,369,651.68 and 380,479.20 is: 570,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,248.84 : 1,369,651.68 = 380,479.20 : x
  2. Step 2: Convert to fraction form
    913,248.84/1,369,651.68 = 380,479.20/x
  3. Step 3: Cross multiply
    913,248.84x = 1,369,651.68 × 380,479.20
  4. Step 4: Simplify right side
    913,248.84x = 521,123,975,485.06
  5. Step 5: Solve for x
    x = 521,123,975,485.06/913,248.84
  6. Step 6: Final answer
    x = 570,626.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.