Home / 673,834.60-1,011,918.30-358,906.60

Finding the Fourth Proportional to 673,834.60, 1,011,918.30 and 358,906.60

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Solution

The fourth proportional to 673,834.60, 1,011,918.30 and 358,906.60 is: 538,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,834.60 : 1,011,918.30 = 358,906.60 : x
  2. Step 2: Convert to fraction form
    673,834.60/1,011,918.30 = 358,906.60/x
  3. Step 3: Cross multiply
    673,834.60x = 1,011,918.30 × 358,906.60
  4. Step 4: Simplify right side
    673,834.60x = 363,184,156,530.78
  5. Step 5: Solve for x
    x = 363,184,156,530.78/673,834.60
  6. Step 6: Final answer
    x = 538,981.16

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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.