Home / 909,090.72-1,363,833-348,125.28

Finding the Fourth Proportional to 909,090.72, 1,363,833 and 348,125.28

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Solution

The fourth proportional to 909,090.72, 1,363,833 and 348,125.28 is: 522,263.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,090.72 : 1,363,833 = 348,125.28 : x
  2. Step 2: Convert to fraction form
    909,090.72/1,363,833 = 348,125.28/x
  3. Step 3: Cross multiply
    909,090.72x = 1,363,833 × 348,125.28
  4. Step 4: Simplify right side
    909,090.72x = 474,784,744,998.24
  5. Step 5: Solve for x
    x = 474,784,744,998.24/909,090.72
  6. Step 6: Final answer
    x = 522,263.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.