Home / 734,074.87-1,013,379.42-492,269.17

Finding the Fourth Proportional to 734,074.87, 1,013,379.42 and 492,269.17

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Solution

The fourth proportional to 734,074.87, 1,013,379.42 and 492,269.17 is: 679,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,074.87 : 1,013,379.42 = 492,269.17 : x
  2. Step 2: Convert to fraction form
    734,074.87/1,013,379.42 = 492,269.17/x
  3. Step 3: Cross multiply
    734,074.87x = 1,013,379.42 × 492,269.17
  4. Step 4: Simplify right side
    734,074.87x = 498,855,445,978.48
  5. Step 5: Solve for x
    x = 498,855,445,978.48/734,074.87
  6. Step 6: Final answer
    x = 679,570.25

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1.5x scale

Why These Related Problems?

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