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Finding the Fourth Proportional to 610,898.28, 843,001.20 and 369,037.68

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Solution

The fourth proportional to 610,898.28, 843,001.20 and 369,037.68 is: 509,248.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,898.28 : 843,001.20 = 369,037.68 : x
  2. Step 2: Convert to fraction form
    610,898.28/843,001.20 = 369,037.68/x
  3. Step 3: Cross multiply
    610,898.28x = 843,001.20 × 369,037.68
  4. Step 4: Simplify right side
    610,898.28x = 311,099,207,085.22
  5. Step 5: Solve for x
    x = 311,099,207,085.22/610,898.28
  6. Step 6: Final answer
    x = 509,248.79

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1.5x scale

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.