Home / 851,188.15-1,174,647.63-469,228.60

Finding the Fourth Proportional to 851,188.15, 1,174,647.63 and 469,228.60

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Solution

The fourth proportional to 851,188.15, 1,174,647.63 and 469,228.60 is: 647,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,188.15 : 1,174,647.63 = 469,228.60 : x
  2. Step 2: Convert to fraction form
    851,188.15/1,174,647.63 = 469,228.60/x
  3. Step 3: Cross multiply
    851,188.15x = 1,174,647.63 × 469,228.60
  4. Step 4: Simplify right side
    851,188.15x = 551,178,262,918.22
  5. Step 5: Solve for x
    x = 551,178,262,918.22/851,188.15
  6. Step 6: Final answer
    x = 647,539.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.