Home / 909,109.64-1,363,655.45-348,144.14

Finding the Fourth Proportional to 909,109.64, 1,363,655.45 and 348,144.14

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Solution

The fourth proportional to 909,109.64, 1,363,655.45 and 348,144.14 is: 522,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,109.64 : 1,363,655.45 = 348,144.14 : x
  2. Step 2: Convert to fraction form
    909,109.64/1,363,655.45 = 348,144.14/x
  3. Step 3: Cross multiply
    909,109.64x = 1,363,655.45 × 348,144.14
  4. Step 4: Simplify right side
    909,109.64x = 474,748,658,176.06
  5. Step 5: Solve for x
    x = 474,748,658,176.06/909,109.64
  6. Step 6: Final answer
    x = 522,212.76

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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.