Home / 658,432.96-908,711.22-371,971.50

Finding the Fourth Proportional to 658,432.96, 908,711.22 and 371,971.50

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Solution

The fourth proportional to 658,432.96, 908,711.22 and 371,971.50 is: 513,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,432.96 : 908,711.22 = 371,971.50 : x
  2. Step 2: Convert to fraction form
    658,432.96/908,711.22 = 371,971.50/x
  3. Step 3: Cross multiply
    658,432.96x = 908,711.22 × 371,971.50
  4. Step 4: Simplify right side
    658,432.96x = 338,014,671,026.67
  5. Step 5: Solve for x
    x = 338,014,671,026.67/658,432.96
  6. Step 6: Final answer
    x = 513,362.32

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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.