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Finding the Fourth Proportional to 605,898.40, 836,202 and 364,259.68

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Solution

The fourth proportional to 605,898.40, 836,202 and 364,259.68 is: 502,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,898.40 : 836,202 = 364,259.68 : x
  2. Step 2: Convert to fraction form
    605,898.40/836,202 = 364,259.68/x
  3. Step 3: Cross multiply
    605,898.40x = 836,202 × 364,259.68
  4. Step 4: Simplify right side
    605,898.40x = 304,594,672,935.36
  5. Step 5: Solve for x
    x = 304,594,672,935.36/605,898.40
  6. Step 6: Final answer
    x = 502,715.76

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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.