Home / 787,444.86-1,181,355.44-254,966.48

Finding the Fourth Proportional to 787,444.86, 1,181,355.44 and 254,966.48

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Solution

The fourth proportional to 787,444.86, 1,181,355.44 and 254,966.48 is: 382,510.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,444.86 : 1,181,355.44 = 254,966.48 : x
  2. Step 2: Convert to fraction form
    787,444.86/1,181,355.44 = 254,966.48/x
  3. Step 3: Cross multiply
    787,444.86x = 1,181,355.44 × 254,966.48
  4. Step 4: Simplify right side
    787,444.86x = 301,206,030,984.04
  5. Step 5: Solve for x
    x = 301,206,030,984.04/787,444.86
  6. Step 6: Final answer
    x = 382,510.63

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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.