Home / 813,368.43-1,122,448.54-450,815.67

Finding the Fourth Proportional to 813,368.43, 1,122,448.54 and 450,815.67

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Solution

The fourth proportional to 813,368.43, 1,122,448.54 and 450,815.67 is: 622,125.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,368.43 : 1,122,448.54 = 450,815.67 : x
  2. Step 2: Convert to fraction form
    813,368.43/1,122,448.54 = 450,815.67/x
  3. Step 3: Cross multiply
    813,368.43x = 1,122,448.54 × 450,815.67
  4. Step 4: Simplify right side
    813,368.43x = 506,017,386,115.42
  5. Step 5: Solve for x
    x = 506,017,386,115.42/813,368.43
  6. Step 6: Final answer
    x = 622,125.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.