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Finding the Fourth Proportional to 476,851.60, 715,277.40 and 299,483.20

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Solution

The fourth proportional to 476,851.60, 715,277.40 and 299,483.20 is: 449,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,851.60 : 715,277.40 = 299,483.20 : x
  2. Step 2: Convert to fraction form
    476,851.60/715,277.40 = 299,483.20/x
  3. Step 3: Cross multiply
    476,851.60x = 715,277.40 × 299,483.20
  4. Step 4: Simplify right side
    476,851.60x = 214,213,564,639.68
  5. Step 5: Solve for x
    x = 214,213,564,639.68/476,851.60
  6. Step 6: Final answer
    x = 449,224.80

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Similar ratio
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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.