Home / 900,802.08-1,351,205.28-731,518.56

Finding the Fourth Proportional to 900,802.08, 1,351,205.28 and 731,518.56

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Solution

The fourth proportional to 900,802.08, 1,351,205.28 and 731,518.56 is: 1,097,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,802.08 : 1,351,205.28 = 731,518.56 : x
  2. Step 2: Convert to fraction form
    900,802.08/1,351,205.28 = 731,518.56/x
  3. Step 3: Cross multiply
    900,802.08x = 1,351,205.28 × 731,518.56
  4. Step 4: Simplify right side
    900,802.08x = 988,431,740,690.00
  5. Step 5: Solve for x
    x = 988,431,740,690.00/900,802.08
  6. Step 6: Final answer
    x = 1,097,279.59

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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.