Home / 739,994.40-1,109,991.60-402,904.80

Finding the Fourth Proportional to 739,994.40, 1,109,991.60 and 402,904.80

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Solution

The fourth proportional to 739,994.40, 1,109,991.60 and 402,904.80 is: 604,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,994.40 : 1,109,991.60 = 402,904.80 : x
  2. Step 2: Convert to fraction form
    739,994.40/1,109,991.60 = 402,904.80/x
  3. Step 3: Cross multiply
    739,994.40x = 1,109,991.60 × 402,904.80
  4. Step 4: Simplify right side
    739,994.40x = 447,220,943,599.68
  5. Step 5: Solve for x
    x = 447,220,943,599.68/739,994.40
  6. Step 6: Final answer
    x = 604,357.20

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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.