Home / 985,299.39-1,359,807.35-617,835.06

Finding the Fourth Proportional to 985,299.39, 1,359,807.35 and 617,835.06

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Solution

The fourth proportional to 985,299.39, 1,359,807.35 and 617,835.06 is: 852,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,299.39 : 1,359,807.35 = 617,835.06 : x
  2. Step 2: Convert to fraction form
    985,299.39/1,359,807.35 = 617,835.06/x
  3. Step 3: Cross multiply
    985,299.39x = 1,359,807.35 × 617,835.06
  4. Step 4: Simplify right side
    985,299.39x = 840,136,652,586.52
  5. Step 5: Solve for x
    x = 840,136,652,586.52/985,299.39
  6. Step 6: Final answer
    x = 852,671.44

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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.