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Finding the Fourth Proportional to 665,162.04, 917,922.06 and 363,358.20

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Solution

The fourth proportional to 665,162.04, 917,922.06 and 363,358.20 is: 501,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,162.04 : 917,922.06 = 363,358.20 : x
  2. Step 2: Convert to fraction form
    665,162.04/917,922.06 = 363,358.20/x
  3. Step 3: Cross multiply
    665,162.04x = 917,922.06 × 363,358.20
  4. Step 4: Simplify right side
    665,162.04x = 333,534,507,461.89
  5. Step 5: Solve for x
    x = 333,534,507,461.89/665,162.04
  6. Step 6: Final answer
    x = 501,433.47

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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.