Home / 776,200.80-1,164,350.40-243,742.80

Finding the Fourth Proportional to 776,200.80, 1,164,350.40 and 243,742.80

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Solution

The fourth proportional to 776,200.80, 1,164,350.40 and 243,742.80 is: 365,629.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,200.80 : 1,164,350.40 = 243,742.80 : x
  2. Step 2: Convert to fraction form
    776,200.80/1,164,350.40 = 243,742.80/x
  3. Step 3: Cross multiply
    776,200.80x = 1,164,350.40 × 243,742.80
  4. Step 4: Simplify right side
    776,200.80x = 283,802,026,677.12
  5. Step 5: Solve for x
    x = 283,802,026,677.12/776,200.80
  6. Step 6: Final answer
    x = 365,629.65

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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.