Home / 771,960.70-1,158,148.68-322,532.20

Finding the Fourth Proportional to 771,960.70, 1,158,148.68 and 322,532.20

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Solution

The fourth proportional to 771,960.70, 1,158,148.68 and 322,532.20 is: 483,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,960.70 : 1,158,148.68 = 322,532.20 : x
  2. Step 2: Convert to fraction form
    771,960.70/1,158,148.68 = 322,532.20/x
  3. Step 3: Cross multiply
    771,960.70x = 1,158,148.68 × 322,532.20
  4. Step 4: Simplify right side
    771,960.70x = 373,540,241,687.50
  5. Step 5: Solve for x
    x = 373,540,241,687.50/771,960.70
  6. Step 6: Final answer
    x = 483,885.05

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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.