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Finding the Fourth Proportional to 547,085.60, 818,660.10 and 369,938.60

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Solution

The fourth proportional to 547,085.60, 818,660.10 and 369,938.60 is: 553,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,085.60 : 818,660.10 = 369,938.60 : x
  2. Step 2: Convert to fraction form
    547,085.60/818,660.10 = 369,938.60/x
  3. Step 3: Cross multiply
    547,085.60x = 818,660.10 × 369,938.60
  4. Step 4: Simplify right side
    547,085.60x = 302,853,971,269.86
  5. Step 5: Solve for x
    x = 302,853,971,269.86/547,085.60
  6. Step 6: Final answer
    x = 553,576.94

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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.