Home / 751,644.82-1,037,312.28-445,902.22

Finding the Fourth Proportional to 751,644.82, 1,037,312.28 and 445,902.22

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Solution

The fourth proportional to 751,644.82, 1,037,312.28 and 445,902.22 is: 615,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,644.82 : 1,037,312.28 = 445,902.22 : x
  2. Step 2: Convert to fraction form
    751,644.82/1,037,312.28 = 445,902.22/x
  3. Step 3: Cross multiply
    751,644.82x = 1,037,312.28 × 445,902.22
  4. Step 4: Simplify right side
    751,644.82x = 462,539,841,069.19
  5. Step 5: Solve for x
    x = 462,539,841,069.19/751,644.82
  6. Step 6: Final answer
    x = 615,370.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.