Home / 761,472.20-1,142,208.30-200,563.40

Finding the Fourth Proportional to 761,472.20, 1,142,208.30 and 200,563.40

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Solution

The fourth proportional to 761,472.20, 1,142,208.30 and 200,563.40 is: 300,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,472.20 : 1,142,208.30 = 200,563.40 : x
  2. Step 2: Convert to fraction form
    761,472.20/1,142,208.30 = 200,563.40/x
  3. Step 3: Cross multiply
    761,472.20x = 1,142,208.30 × 200,563.40
  4. Step 4: Simplify right side
    761,472.20x = 229,085,180,156.22
  5. Step 5: Solve for x
    x = 229,085,180,156.22/761,472.20
  6. Step 6: Final answer
    x = 300,845.10

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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.