Home / 318,344.04-476,955.53-299,380.32

Finding the Fourth Proportional to 318,344.04, 476,955.53 and 299,380.32

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Solution

The fourth proportional to 318,344.04, 476,955.53 and 299,380.32 is: 448,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,344.04 : 476,955.53 = 299,380.32 : x
  2. Step 2: Convert to fraction form
    318,344.04/476,955.53 = 299,380.32/x
  3. Step 3: Cross multiply
    318,344.04x = 476,955.53 × 299,380.32
  4. Step 4: Simplify right side
    318,344.04x = 142,791,099,197.17
  5. Step 5: Solve for x
    x = 142,791,099,197.17/318,344.04
  6. Step 6: Final answer
    x = 448,543.34

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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.