Home / 761,471.20-1,142,206.80-696,152.80

Finding the Fourth Proportional to 761,471.20, 1,142,206.80 and 696,152.80

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Solution

The fourth proportional to 761,471.20, 1,142,206.80 and 696,152.80 is: 1,044,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,471.20 : 1,142,206.80 = 696,152.80 : x
  2. Step 2: Convert to fraction form
    761,471.20/1,142,206.80 = 696,152.80/x
  3. Step 3: Cross multiply
    761,471.20x = 1,142,206.80 × 696,152.80
  4. Step 4: Simplify right side
    761,471.20x = 795,150,461,999.04
  5. Step 5: Solve for x
    x = 795,150,461,999.04/761,471.20
  6. Step 6: Final answer
    x = 1,044,229.20

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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.