Home / 751,036.50-1,122,431.45-549,057.81

Finding the Fourth Proportional to 751,036.50, 1,122,431.45 and 549,057.81

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Solution

The fourth proportional to 751,036.50, 1,122,431.45 and 549,057.81 is: 820,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,036.50 : 1,122,431.45 = 549,057.81 : x
  2. Step 2: Convert to fraction form
    751,036.50/1,122,431.45 = 549,057.81/x
  3. Step 3: Cross multiply
    751,036.50x = 1,122,431.45 × 549,057.81
  4. Step 4: Simplify right side
    751,036.50x = 616,279,751,066.84
  5. Step 5: Solve for x
    x = 616,279,751,066.84/751,036.50
  6. Step 6: Final answer
    x = 820,572.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.