Home / 940,737.60-1,410,069.60-520,315.20

Finding the Fourth Proportional to 940,737.60, 1,410,069.60 and 520,315.20

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Solution

The fourth proportional to 940,737.60, 1,410,069.60 and 520,315.20 is: 779,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,737.60 : 1,410,069.60 = 520,315.20 : x
  2. Step 2: Convert to fraction form
    940,737.60/1,410,069.60 = 520,315.20/x
  3. Step 3: Cross multiply
    940,737.60x = 1,410,069.60 × 520,315.20
  4. Step 4: Simplify right side
    940,737.60x = 733,680,645,937.92
  5. Step 5: Solve for x
    x = 733,680,645,937.92/940,737.60
  6. Step 6: Final answer
    x = 779,899.35

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1.5x scale

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.