Home / 907,738.60-1,361,607.90-242,890.60

Finding the Fourth Proportional to 907,738.60, 1,361,607.90 and 242,890.60

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Solution

The fourth proportional to 907,738.60, 1,361,607.90 and 242,890.60 is: 364,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,738.60 : 1,361,607.90 = 242,890.60 : x
  2. Step 2: Convert to fraction form
    907,738.60/1,361,607.90 = 242,890.60/x
  3. Step 3: Cross multiply
    907,738.60x = 1,361,607.90 × 242,890.60
  4. Step 4: Simplify right side
    907,738.60x = 330,721,759,795.74
  5. Step 5: Solve for x
    x = 330,721,759,795.74/907,738.60
  6. Step 6: Final answer
    x = 364,335.90

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Double scale
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Similar ratio
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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.