Home / 721,453.03-1,080,348.84-433,085.23

Finding the Fourth Proportional to 721,453.03, 1,080,348.84 and 433,085.23

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Solution

The fourth proportional to 721,453.03, 1,080,348.84 and 433,085.23 is: 648,528.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,453.03 : 1,080,348.84 = 433,085.23 : x
  2. Step 2: Convert to fraction form
    721,453.03/1,080,348.84 = 433,085.23/x
  3. Step 3: Cross multiply
    721,453.03x = 1,080,348.84 × 433,085.23
  4. Step 4: Simplify right side
    721,453.03x = 467,883,127,202.07
  5. Step 5: Solve for x
    x = 467,883,127,202.07/721,453.03
  6. Step 6: Final answer
    x = 648,528.88

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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.