Home / 708,611.20-1,064,145.60-499,715.20

Finding the Fourth Proportional to 708,611.20, 1,064,145.60 and 499,715.20

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Solution

The fourth proportional to 708,611.20, 1,064,145.60 and 499,715.20 is: 750,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,611.20 : 1,064,145.60 = 499,715.20 : x
  2. Step 2: Convert to fraction form
    708,611.20/1,064,145.60 = 499,715.20/x
  3. Step 3: Cross multiply
    708,611.20x = 1,064,145.60 × 499,715.20
  4. Step 4: Simplify right side
    708,611.20x = 531,769,731,333.12
  5. Step 5: Solve for x
    x = 531,769,731,333.12/708,611.20
  6. Step 6: Final answer
    x = 750,439.35

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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.