Home / 920,667.95-1,379,291.20-500,297.39

Finding the Fourth Proportional to 920,667.95, 1,379,291.20 and 500,297.39

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Solution

The fourth proportional to 920,667.95, 1,379,291.20 and 500,297.39 is: 749,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,667.95 : 1,379,291.20 = 500,297.39 : x
  2. Step 2: Convert to fraction form
    920,667.95/1,379,291.20 = 500,297.39/x
  3. Step 3: Cross multiply
    920,667.95x = 1,379,291.20 × 500,297.39
  4. Step 4: Simplify right side
    920,667.95x = 690,055,787,409.97
  5. Step 5: Solve for x
    x = 690,055,787,409.97/920,667.95
  6. Step 6: Final answer
    x = 749,516.47

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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.