Home / 746,565.07-1,119,851.70-185,599.57

Finding the Fourth Proportional to 746,565.07, 1,119,851.70 and 185,599.57

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Solution

The fourth proportional to 746,565.07, 1,119,851.70 and 185,599.57 is: 278,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,565.07 : 1,119,851.70 = 185,599.57 : x
  2. Step 2: Convert to fraction form
    746,565.07/1,119,851.70 = 185,599.57/x
  3. Step 3: Cross multiply
    746,565.07x = 1,119,851.70 × 185,599.57
  4. Step 4: Simplify right side
    746,565.07x = 207,843,993,983.77
  5. Step 5: Solve for x
    x = 207,843,993,983.77/746,565.07
  6. Step 6: Final answer
    x = 278,400.37

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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.