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Finding the Fourth Proportional to 654,690.93, 903,369.39 and 368,155.68

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Solution

The fourth proportional to 654,690.93, 903,369.39 and 368,155.68 is: 507,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,690.93 : 903,369.39 = 368,155.68 : x
  2. Step 2: Convert to fraction form
    654,690.93/903,369.39 = 368,155.68/x
  3. Step 3: Cross multiply
    654,690.93x = 903,369.39 × 368,155.68
  4. Step 4: Simplify right side
    654,690.93x = 332,580,572,275.46
  5. Step 5: Solve for x
    x = 332,580,572,275.46/654,690.93
  6. Step 6: Final answer
    x = 507,996.30

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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.