Home / 318,947.44-478,421.83-299,461.27

Finding the Fourth Proportional to 318,947.44, 478,421.83 and 299,461.27

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Solution

The fourth proportional to 318,947.44, 478,421.83 and 299,461.27 is: 449,192.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,947.44 : 478,421.83 = 299,461.27 : x
  2. Step 2: Convert to fraction form
    318,947.44/478,421.83 = 299,461.27/x
  3. Step 3: Cross multiply
    318,947.44x = 478,421.83 × 299,461.27
  4. Step 4: Simplify right side
    318,947.44x = 143,268,808,807.52
  5. Step 5: Solve for x
    x = 143,268,808,807.52/318,947.44
  6. Step 6: Final answer
    x = 449,192.53

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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.