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Finding the Fourth Proportional to 671,386.38, 926,525.04 and 365,471.58

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Solution

The fourth proportional to 671,386.38, 926,525.04 and 365,471.58 is: 504,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,386.38 : 926,525.04 = 365,471.58 : x
  2. Step 2: Convert to fraction form
    671,386.38/926,525.04 = 365,471.58/x
  3. Step 3: Cross multiply
    671,386.38x = 926,525.04 × 365,471.58
  4. Step 4: Simplify right side
    671,386.38x = 338,618,570,278.36
  5. Step 5: Solve for x
    x = 338,618,570,278.36/671,386.38
  6. Step 6: Final answer
    x = 504,357.22

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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.