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Finding the Fourth Proportional to 671,479.34, 926,611.25 and 365,547.89

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Solution

The fourth proportional to 671,479.34, 926,611.25 and 365,547.89 is: 504,439.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,479.34 : 926,611.25 = 365,547.89 : x
  2. Step 2: Convert to fraction form
    671,479.34/926,611.25 = 365,547.89/x
  3. Step 3: Cross multiply
    671,479.34x = 926,611.25 × 365,547.89
  4. Step 4: Simplify right side
    671,479.34x = 338,720,780,826.97
  5. Step 5: Solve for x
    x = 338,720,780,826.97/671,479.34
  6. Step 6: Final answer
    x = 504,439.62

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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.