Home / 658,637.94-908,938.35-372,152.28

Finding the Fourth Proportional to 658,637.94, 908,938.35 and 372,152.28

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Solution

The fourth proportional to 658,637.94, 908,938.35 and 372,152.28 is: 513,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,637.94 : 908,938.35 = 372,152.28 : x
  2. Step 2: Convert to fraction form
    658,637.94/908,938.35 = 372,152.28/x
  3. Step 3: Cross multiply
    658,637.94x = 908,938.35 × 372,152.28
  4. Step 4: Simplify right side
    658,637.94x = 338,263,479,331.94
  5. Step 5: Solve for x
    x = 338,263,479,331.94/658,637.94
  6. Step 6: Final answer
    x = 513,580.31

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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.