Home / 750,843.40-1,036,177.14-411,289.60

Finding the Fourth Proportional to 750,843.40, 1,036,177.14 and 411,289.60

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Solution

The fourth proportional to 750,843.40, 1,036,177.14 and 411,289.60 is: 567,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,843.40 : 1,036,177.14 = 411,289.60 : x
  2. Step 2: Convert to fraction form
    750,843.40/1,036,177.14 = 411,289.60/x
  3. Step 3: Cross multiply
    750,843.40x = 1,036,177.14 × 411,289.60
  4. Step 4: Simplify right side
    750,843.40x = 426,168,881,439.74
  5. Step 5: Solve for x
    x = 426,168,881,439.74/750,843.40
  6. Step 6: Final answer
    x = 567,586.90

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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.