Home / 665,095.23-917,730.66-374,665.26

Finding the Fourth Proportional to 665,095.23, 917,730.66 and 374,665.26

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Solution

The fourth proportional to 665,095.23, 917,730.66 and 374,665.26 is: 516,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,095.23 : 917,730.66 = 374,665.26 : x
  2. Step 2: Convert to fraction form
    665,095.23/917,730.66 = 374,665.26/x
  3. Step 3: Cross multiply
    665,095.23x = 917,730.66 × 374,665.26
  4. Step 4: Simplify right side
    665,095.23x = 343,841,796,338.87
  5. Step 5: Solve for x
    x = 343,841,796,338.87/665,095.23
  6. Step 6: Final answer
    x = 516,981.30

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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.