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Finding the Fourth Proportional to 487,666.08, 673,084.50 and 296,740.92

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Solution

The fourth proportional to 487,666.08, 673,084.50 and 296,740.92 is: 409,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,666.08 : 673,084.50 = 296,740.92 : x
  2. Step 2: Convert to fraction form
    487,666.08/673,084.50 = 296,740.92/x
  3. Step 3: Cross multiply
    487,666.08x = 673,084.50 × 296,740.92
  4. Step 4: Simplify right side
    487,666.08x = 199,731,713,767.74
  5. Step 5: Solve for x
    x = 199,731,713,767.74/487,666.08
  6. Step 6: Final answer
    x = 409,566.55

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1.5x scale

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.