Home / 665,361.32-917,242.59-474,042.56

Finding the Fourth Proportional to 665,361.32, 917,242.59 and 474,042.56

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Solution

The fourth proportional to 665,361.32, 917,242.59 and 474,042.56 is: 653,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,361.32 : 917,242.59 = 474,042.56 : x
  2. Step 2: Convert to fraction form
    665,361.32/917,242.59 = 474,042.56/x
  3. Step 3: Cross multiply
    665,361.32x = 917,242.59 × 474,042.56
  4. Step 4: Simplify right side
    665,361.32x = 434,812,020,918.42
  5. Step 5: Solve for x
    x = 434,812,020,918.42/665,361.32
  6. Step 6: Final answer
    x = 653,497.60

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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.