Home / 658,916.34-987,245.06-442,369.50

Finding the Fourth Proportional to 658,916.34, 987,245.06 and 442,369.50

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Solution

The fourth proportional to 658,916.34, 987,245.06 and 442,369.50 is: 662,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,916.34 : 987,245.06 = 442,369.50 : x
  2. Step 2: Convert to fraction form
    658,916.34/987,245.06 = 442,369.50/x
  3. Step 3: Cross multiply
    658,916.34x = 987,245.06 × 442,369.50
  4. Step 4: Simplify right side
    658,916.34x = 436,727,103,569.67
  5. Step 5: Solve for x
    x = 436,727,103,569.67/658,916.34
  6. Step 6: Final answer
    x = 662,795.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.