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Finding the Fourth Proportional to 654,489.96, 903,184.13 and 364,100.10

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Solution

The fourth proportional to 654,489.96, 903,184.13 and 364,100.10 is: 502,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,489.96 : 903,184.13 = 364,100.10 : x
  2. Step 2: Convert to fraction form
    654,489.96/903,184.13 = 364,100.10/x
  3. Step 3: Cross multiply
    654,489.96x = 903,184.13 × 364,100.10
  4. Step 4: Simplify right side
    654,489.96x = 328,849,430,230.91
  5. Step 5: Solve for x
    x = 328,849,430,230.91/654,489.96
  6. Step 6: Final answer
    x = 502,451.45

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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.