Home / 731,530.40-1,097,295.60-450,135.20

Finding the Fourth Proportional to 731,530.40, 1,097,295.60 and 450,135.20

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Solution

The fourth proportional to 731,530.40, 1,097,295.60 and 450,135.20 is: 675,202.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,530.40 : 1,097,295.60 = 450,135.20 : x
  2. Step 2: Convert to fraction form
    731,530.40/1,097,295.60 = 450,135.20/x
  3. Step 3: Cross multiply
    731,530.40x = 1,097,295.60 × 450,135.20
  4. Step 4: Simplify right side
    731,530.40x = 493,931,374,365.12
  5. Step 5: Solve for x
    x = 493,931,374,365.12/731,530.40
  6. Step 6: Final answer
    x = 675,202.80

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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.