Home / 645,106.96-967,358.04-345,532.24

Finding the Fourth Proportional to 645,106.96, 967,358.04 and 345,532.24

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Solution

The fourth proportional to 645,106.96, 967,358.04 and 345,532.24 is: 518,136.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,106.96 : 967,358.04 = 345,532.24 : x
  2. Step 2: Convert to fraction form
    645,106.96/967,358.04 = 345,532.24/x
  3. Step 3: Cross multiply
    645,106.96x = 967,358.04 × 345,532.24
  4. Step 4: Simplify right side
    645,106.96x = 334,253,390,443.21
  5. Step 5: Solve for x
    x = 334,253,390,443.21/645,106.96
  6. Step 6: Final answer
    x = 518,136.39

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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.