Home / 802,206.72-1,202,480.64-347,090.40

Finding the Fourth Proportional to 802,206.72, 1,202,480.64 and 347,090.40

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Solution

The fourth proportional to 802,206.72, 1,202,480.64 and 347,090.40 is: 520,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,206.72 : 1,202,480.64 = 347,090.40 : x
  2. Step 2: Convert to fraction form
    802,206.72/1,202,480.64 = 347,090.40/x
  3. Step 3: Cross multiply
    802,206.72x = 1,202,480.64 × 347,090.40
  4. Step 4: Simplify right side
    802,206.72x = 417,369,486,329.86
  5. Step 5: Solve for x
    x = 417,369,486,329.86/802,206.72
  6. Step 6: Final answer
    x = 520,276.73

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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.