Home / 873,125.40-1,307,063.70-517,956.60

Finding the Fourth Proportional to 873,125.40, 1,307,063.70 and 517,956.60

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Solution

The fourth proportional to 873,125.40, 1,307,063.70 and 517,956.60 is: 775,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,125.40 : 1,307,063.70 = 517,956.60 : x
  2. Step 2: Convert to fraction form
    873,125.40/1,307,063.70 = 517,956.60/x
  3. Step 3: Cross multiply
    873,125.40x = 1,307,063.70 × 517,956.60
  4. Step 4: Simplify right side
    873,125.40x = 677,002,270,035.42
  5. Step 5: Solve for x
    x = 677,002,270,035.42/873,125.40
  6. Step 6: Final answer
    x = 775,378.05

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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.