Home / 833,285.16-1,249,669.77-300,738.78

Finding the Fourth Proportional to 833,285.16, 1,249,669.77 and 300,738.78

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Solution

The fourth proportional to 833,285.16, 1,249,669.77 and 300,738.78 is: 451,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,285.16 : 1,249,669.77 = 300,738.78 : x
  2. Step 2: Convert to fraction form
    833,285.16/1,249,669.77 = 300,738.78/x
  3. Step 3: Cross multiply
    833,285.16x = 1,249,669.77 × 300,738.78
  4. Step 4: Simplify right side
    833,285.16x = 375,824,162,032.68
  5. Step 5: Solve for x
    x = 375,824,162,032.68/833,285.16
  6. Step 6: Final answer
    x = 451,015.07

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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.