Home / 751,035-1,122,429.21-549,056.31

Finding the Fourth Proportional to 751,035, 1,122,429.21 and 549,056.31

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Solution

The fourth proportional to 751,035, 1,122,429.21 and 549,056.31 is: 820,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,035 : 1,122,429.21 = 549,056.31 : x
  2. Step 2: Convert to fraction form
    751,035/1,122,429.21 = 549,056.31/x
  3. Step 3: Cross multiply
    751,035x = 1,122,429.21 × 549,056.31
  4. Step 4: Simplify right side
    751,035x = 616,276,840,278.82
  5. Step 5: Solve for x
    x = 616,276,840,278.82/751,035
  6. Step 6: Final answer
    x = 820,570.07

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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.