Home / 750,871.35-1,036,228.32-411,339.60

Finding the Fourth Proportional to 750,871.35, 1,036,228.32 and 411,339.60

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Solution

The fourth proportional to 750,871.35, 1,036,228.32 and 411,339.60 is: 567,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,871.35 : 1,036,228.32 = 411,339.60 : x
  2. Step 2: Convert to fraction form
    750,871.35/1,036,228.32 = 411,339.60/x
  3. Step 3: Cross multiply
    750,871.35x = 1,036,228.32 × 411,339.60
  4. Step 4: Simplify right side
    750,871.35x = 426,241,742,657.47
  5. Step 5: Solve for x
    x = 426,241,742,657.47/750,871.35
  6. Step 6: Final answer
    x = 567,662.81

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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.