Home / 658,735.32-909,056.40-368,357.43

Finding the Fourth Proportional to 658,735.32, 909,056.40 and 368,357.43

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Solution

The fourth proportional to 658,735.32, 909,056.40 and 368,357.43 is: 508,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,735.32 : 909,056.40 = 368,357.43 : x
  2. Step 2: Convert to fraction form
    658,735.32/909,056.40 = 368,357.43/x
  3. Step 3: Cross multiply
    658,735.32x = 909,056.40 × 368,357.43
  4. Step 4: Simplify right side
    658,735.32x = 334,857,679,229.05
  5. Step 5: Solve for x
    x = 334,857,679,229.05/658,735.32
  6. Step 6: Final answer
    x = 508,334.18

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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.