Home / 784,576.15-1,175,741.43-446,919.55

Finding the Fourth Proportional to 784,576.15, 1,175,741.43 and 446,919.55

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Solution

The fourth proportional to 784,576.15, 1,175,741.43 and 446,919.55 is: 669,739.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,576.15 : 1,175,741.43 = 446,919.55 : x
  2. Step 2: Convert to fraction form
    784,576.15/1,175,741.43 = 446,919.55/x
  3. Step 3: Cross multiply
    784,576.15x = 1,175,741.43 × 446,919.55
  4. Step 4: Simplify right side
    784,576.15x = 525,461,826,196.66
  5. Step 5: Solve for x
    x = 525,461,826,196.66/784,576.15
  6. Step 6: Final answer
    x = 669,739.74

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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.