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Finding the Fourth Proportional to 673,870.59, 929,960.57 and 367,966.39

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Solution

The fourth proportional to 673,870.59, 929,960.57 and 367,966.39 is: 507,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,870.59 : 929,960.57 = 367,966.39 : x
  2. Step 2: Convert to fraction form
    673,870.59/929,960.57 = 367,966.39/x
  3. Step 3: Cross multiply
    673,870.59x = 929,960.57 × 367,966.39
  4. Step 4: Simplify right side
    673,870.59x = 342,194,234,487.74
  5. Step 5: Solve for x
    x = 342,194,234,487.74/673,870.59
  6. Step 6: Final answer
    x = 507,804.08

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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.