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Finding the Fourth Proportional to 671,478.83, 926,610.55 and 365,547.39

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Solution

The fourth proportional to 671,478.83, 926,610.55 and 365,547.39 is: 504,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,478.83 : 926,610.55 = 365,547.39 : x
  2. Step 2: Convert to fraction form
    671,478.83/926,610.55 = 365,547.39/x
  3. Step 3: Cross multiply
    671,478.83x = 926,610.55 × 365,547.39
  4. Step 4: Simplify right side
    671,478.83x = 338,720,068,098.97
  5. Step 5: Solve for x
    x = 338,720,068,098.97/671,478.83
  6. Step 6: Final answer
    x = 504,438.94

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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.