Home / 766,151.20-1,147,477.20-451,223.20

Finding the Fourth Proportional to 766,151.20, 1,147,477.20 and 451,223.20

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Solution

The fourth proportional to 766,151.20, 1,147,477.20 and 451,223.20 is: 675,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,151.20 : 1,147,477.20 = 451,223.20 : x
  2. Step 2: Convert to fraction form
    766,151.20/1,147,477.20 = 451,223.20/x
  3. Step 3: Cross multiply
    766,151.20x = 1,147,477.20 × 451,223.20
  4. Step 4: Simplify right side
    766,151.20x = 517,768,334,111.04
  5. Step 5: Solve for x
    x = 517,768,334,111.04/766,151.20
  6. Step 6: Final answer
    x = 675,804.38

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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.