Home / 909,117.39-1,363,667.08-348,151.89

Finding the Fourth Proportional to 909,117.39, 1,363,667.08 and 348,151.89

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Solution

The fourth proportional to 909,117.39, 1,363,667.08 and 348,151.89 is: 522,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,117.39 : 1,363,667.08 = 348,151.89 : x
  2. Step 2: Convert to fraction form
    909,117.39/1,363,667.08 = 348,151.89/x
  3. Step 3: Cross multiply
    909,117.39x = 1,363,667.08 × 348,151.89
  4. Step 4: Simplify right side
    909,117.39x = 474,763,271,232.78
  5. Step 5: Solve for x
    x = 474,763,271,232.78/909,117.39
  6. Step 6: Final answer
    x = 522,224.39

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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.