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Finding the Fourth Proportional to 605,307.70, 835,262.80 and 372,697.71

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Solution

The fourth proportional to 605,307.70, 835,262.80 and 372,697.71 is: 514,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,307.70 : 835,262.80 = 372,697.71 : x
  2. Step 2: Convert to fraction form
    605,307.70/835,262.80 = 372,697.71/x
  3. Step 3: Cross multiply
    605,307.70x = 835,262.80 × 372,697.71
  4. Step 4: Simplify right side
    605,307.70x = 311,300,532,808.19
  5. Step 5: Solve for x
    x = 311,300,532,808.19/605,307.70
  6. Step 6: Final answer
    x = 514,284.77

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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.