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Finding the Fourth Proportional to 496,377.47, 684,773.39 and 292,330.71

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Solution

The fourth proportional to 496,377.47, 684,773.39 and 292,330.71 is: 403,282.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,377.47 : 684,773.39 = 292,330.71 : x
  2. Step 2: Convert to fraction form
    496,377.47/684,773.39 = 292,330.71/x
  3. Step 3: Cross multiply
    496,377.47x = 684,773.39 × 292,330.71
  4. Step 4: Simplify right side
    496,377.47x = 200,180,291,055.67
  5. Step 5: Solve for x
    x = 200,180,291,055.67/496,377.47
  6. Step 6: Final answer
    x = 403,282.39

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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.