Home / 813,634.14-1,219,073.33-492,816.50

Finding the Fourth Proportional to 813,634.14, 1,219,073.33 and 492,816.50

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Solution

The fourth proportional to 813,634.14, 1,219,073.33 and 492,816.50 is: 738,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,634.14 : 1,219,073.33 = 492,816.50 : x
  2. Step 2: Convert to fraction form
    813,634.14/1,219,073.33 = 492,816.50/x
  3. Step 3: Cross multiply
    813,634.14x = 1,219,073.33 × 492,816.50
  4. Step 4: Simplify right side
    813,634.14x = 600,779,446,870.62
  5. Step 5: Solve for x
    x = 600,779,446,870.62/813,634.14
  6. Step 6: Final answer
    x = 738,390.16

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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.