Home / 747,506.40-1,121,259.60-730,010.40

Finding the Fourth Proportional to 747,506.40, 1,121,259.60 and 730,010.40

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Solution

The fourth proportional to 747,506.40, 1,121,259.60 and 730,010.40 is: 1,095,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,506.40 : 1,121,259.60 = 730,010.40 : x
  2. Step 2: Convert to fraction form
    747,506.40/1,121,259.60 = 730,010.40/x
  3. Step 3: Cross multiply
    747,506.40x = 1,121,259.60 × 730,010.40
  4. Step 4: Simplify right side
    747,506.40x = 818,531,169,099.84
  5. Step 5: Solve for x
    x = 818,531,169,099.84/747,506.40
  6. Step 6: Final answer
    x = 1,095,015.60

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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.