Home / 771,711.60-1,157,567.86-322,187.42

Finding the Fourth Proportional to 771,711.60, 1,157,567.86 and 322,187.42

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Solution

The fourth proportional to 771,711.60, 1,157,567.86 and 322,187.42 is: 483,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,711.60 : 1,157,567.86 = 322,187.42 : x
  2. Step 2: Convert to fraction form
    771,711.60/1,157,567.86 = 322,187.42/x
  3. Step 3: Cross multiply
    771,711.60x = 1,157,567.86 × 322,187.42
  4. Step 4: Simplify right side
    771,711.60x = 372,953,805,584.98
  5. Step 5: Solve for x
    x = 372,953,805,584.98/771,711.60
  6. Step 6: Final answer
    x = 483,281.32

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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.