Home / 632,010.18-872,173.88-345,530.20

Finding the Fourth Proportional to 632,010.18, 872,173.88 and 345,530.20

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Solution

The fourth proportional to 632,010.18, 872,173.88 and 345,530.20 is: 476,831.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,010.18 : 872,173.88 = 345,530.20 : x
  2. Step 2: Convert to fraction form
    632,010.18/872,173.88 = 345,530.20/x
  3. Step 3: Cross multiply
    632,010.18x = 872,173.88 × 345,530.20
  4. Step 4: Simplify right side
    632,010.18x = 301,362,415,191.18
  5. Step 5: Solve for x
    x = 301,362,415,191.18/632,010.18
  6. Step 6: Final answer
    x = 476,831.58

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Double scale
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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.