Home / 847,711.70-1,271,567.55-216,674.90

Finding the Fourth Proportional to 847,711.70, 1,271,567.55 and 216,674.90

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Solution

The fourth proportional to 847,711.70, 1,271,567.55 and 216,674.90 is: 325,012.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,711.70 : 1,271,567.55 = 216,674.90 : x
  2. Step 2: Convert to fraction form
    847,711.70/1,271,567.55 = 216,674.90/x
  3. Step 3: Cross multiply
    847,711.70x = 1,271,567.55 × 216,674.90
  4. Step 4: Simplify right side
    847,711.70x = 275,516,771,739.50
  5. Step 5: Solve for x
    x = 275,516,771,739.50/847,711.70
  6. Step 6: Final answer
    x = 325,012.35

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Double scale
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Similar ratio
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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.