Home / 867,874.47-1,302,019.56-362,154.15

Finding the Fourth Proportional to 867,874.47, 1,302,019.56 and 362,154.15

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Solution

The fourth proportional to 867,874.47, 1,302,019.56 and 362,154.15 is: 543,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,874.47 : 1,302,019.56 = 362,154.15 : x
  2. Step 2: Convert to fraction form
    867,874.47/1,302,019.56 = 362,154.15/x
  3. Step 3: Cross multiply
    867,874.47x = 1,302,019.56 × 362,154.15
  4. Step 4: Simplify right side
    867,874.47x = 471,531,787,035.17
  5. Step 5: Solve for x
    x = 471,531,787,035.17/867,874.47
  6. Step 6: Final answer
    x = 543,317.96

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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.