Home / 736,625.80-1,104,938.70-421,114.60

Finding the Fourth Proportional to 736,625.80, 1,104,938.70 and 421,114.60

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Solution

The fourth proportional to 736,625.80, 1,104,938.70 and 421,114.60 is: 631,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,625.80 : 1,104,938.70 = 421,114.60 : x
  2. Step 2: Convert to fraction form
    736,625.80/1,104,938.70 = 421,114.60/x
  3. Step 3: Cross multiply
    736,625.80x = 1,104,938.70 × 421,114.60
  4. Step 4: Simplify right side
    736,625.80x = 465,305,818,675.02
  5. Step 5: Solve for x
    x = 465,305,818,675.02/736,625.80
  6. Step 6: Final answer
    x = 631,671.90

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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.