Home / 786,112.90-1,178,082.68-358,606.34

Finding the Fourth Proportional to 786,112.90, 1,178,082.68 and 358,606.34

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Solution

The fourth proportional to 786,112.90, 1,178,082.68 and 358,606.34 is: 537,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,112.90 : 1,178,082.68 = 358,606.34 : x
  2. Step 2: Convert to fraction form
    786,112.90/1,178,082.68 = 358,606.34/x
  3. Step 3: Cross multiply
    786,112.90x = 1,178,082.68 × 358,606.34
  4. Step 4: Simplify right side
    786,112.90x = 422,467,916,843.72
  5. Step 5: Solve for x
    x = 422,467,916,843.72/786,112.90
  6. Step 6: Final answer
    x = 537,413.80

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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.