Home / 535,030.05-738,321.68-290,009.55

Finding the Fourth Proportional to 535,030.05, 738,321.68 and 290,009.55

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Solution

The fourth proportional to 535,030.05, 738,321.68 and 290,009.55 is: 400,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,030.05 : 738,321.68 = 290,009.55 : x
  2. Step 2: Convert to fraction form
    535,030.05/738,321.68 = 290,009.55/x
  3. Step 3: Cross multiply
    535,030.05x = 738,321.68 × 290,009.55
  4. Step 4: Simplify right side
    535,030.05x = 214,120,336,722.00
  5. Step 5: Solve for x
    x = 214,120,336,722.00/535,030.05
  6. Step 6: Final answer
    x = 400,202.45

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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.