Home / 761,120.12-1,141,452.56-477,241.86

Finding the Fourth Proportional to 761,120.12, 1,141,452.56 and 477,241.86

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Solution

The fourth proportional to 761,120.12, 1,141,452.56 and 477,241.86 is: 715,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,120.12 : 1,141,452.56 = 477,241.86 : x
  2. Step 2: Convert to fraction form
    761,120.12/1,141,452.56 = 477,241.86/x
  3. Step 3: Cross multiply
    761,120.12x = 1,141,452.56 × 477,241.86
  4. Step 4: Simplify right side
    761,120.12x = 544,748,942,836.16
  5. Step 5: Solve for x
    x = 544,748,942,836.16/761,120.12
  6. Step 6: Final answer
    x = 715,720.07

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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.