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Finding the Fourth Proportional to 671,129.03, 926,158.22 and 369,323.03

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Solution

The fourth proportional to 671,129.03, 926,158.22 and 369,323.03 is: 509,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,129.03 : 926,158.22 = 369,323.03 : x
  2. Step 2: Convert to fraction form
    671,129.03/926,158.22 = 369,323.03/x
  3. Step 3: Cross multiply
    671,129.03x = 926,158.22 × 369,323.03
  4. Step 4: Simplify right side
    671,129.03x = 342,051,560,069.81
  5. Step 5: Solve for x
    x = 342,051,560,069.81/671,129.03
  6. Step 6: Final answer
    x = 509,665.87

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Double scale
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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.