Home / 645,459.30-966,296.25-452,665.53

Finding the Fourth Proportional to 645,459.30, 966,296.25 and 452,665.53

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Solution

The fourth proportional to 645,459.30, 966,296.25 and 452,665.53 is: 677,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,459.30 : 966,296.25 = 452,665.53 : x
  2. Step 2: Convert to fraction form
    645,459.30/966,296.25 = 452,665.53/x
  3. Step 3: Cross multiply
    645,459.30x = 966,296.25 × 452,665.53
  4. Step 4: Simplify right side
    645,459.30x = 437,409,004,143.26
  5. Step 5: Solve for x
    x = 437,409,004,143.26/645,459.30
  6. Step 6: Final answer
    x = 677,670.93

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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.