Home / 849,884.40-1,272,202.20-493,840.80

Finding the Fourth Proportional to 849,884.40, 1,272,202.20 and 493,840.80

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Solution

The fourth proportional to 849,884.40, 1,272,202.20 and 493,840.80 is: 739,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,884.40 : 1,272,202.20 = 493,840.80 : x
  2. Step 2: Convert to fraction form
    849,884.40/1,272,202.20 = 493,840.80/x
  3. Step 3: Cross multiply
    849,884.40x = 1,272,202.20 × 493,840.80
  4. Step 4: Simplify right side
    849,884.40x = 628,265,352,209.76
  5. Step 5: Solve for x
    x = 628,265,352,209.76/849,884.40
  6. Step 6: Final answer
    x = 739,236.24

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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.