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Finding the Fourth Proportional to 665,002.62, 917,702.16 and 363,196.62

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Solution

The fourth proportional to 665,002.62, 917,702.16 and 363,196.62 is: 501,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,002.62 : 917,702.16 = 363,196.62 : x
  2. Step 2: Convert to fraction form
    665,002.62/917,702.16 = 363,196.62/x
  3. Step 3: Cross multiply
    665,002.62x = 917,702.16 × 363,196.62
  4. Step 4: Simplify right side
    665,002.62x = 333,306,322,678.70
  5. Step 5: Solve for x
    x = 333,306,322,678.70/665,002.62
  6. Step 6: Final answer
    x = 501,210.54

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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.