Home / 658,618.32-908,823.74-372,083.07

Finding the Fourth Proportional to 658,618.32, 908,823.74 and 372,083.07

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Solution

The fourth proportional to 658,618.32, 908,823.74 and 372,083.07 is: 513,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,618.32 : 908,823.74 = 372,083.07 : x
  2. Step 2: Convert to fraction form
    658,618.32/908,823.74 = 372,083.07/x
  3. Step 3: Cross multiply
    658,618.32x = 908,823.74 × 372,083.07
  4. Step 4: Simplify right side
    658,618.32x = 338,157,925,407.67
  5. Step 5: Solve for x
    x = 338,157,925,407.67/658,618.32
  6. Step 6: Final answer
    x = 513,435.35

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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.