Home / 739,697.76-1,020,772.96-413,015.84

Finding the Fourth Proportional to 739,697.76, 1,020,772.96 and 413,015.84

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Solution

The fourth proportional to 739,697.76, 1,020,772.96 and 413,015.84 is: 569,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,697.76 : 1,020,772.96 = 413,015.84 : x
  2. Step 2: Convert to fraction form
    739,697.76/1,020,772.96 = 413,015.84/x
  3. Step 3: Cross multiply
    739,697.76x = 1,020,772.96 × 413,015.84
  4. Step 4: Simplify right side
    739,697.76x = 421,595,401,523.69
  5. Step 5: Solve for x
    x = 421,595,401,523.69/739,697.76
  6. Step 6: Final answer
    x = 569,956.30

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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.