Home / 903,760.60-1,355,252.10-454,307.80

Finding the Fourth Proportional to 903,760.60, 1,355,252.10 and 454,307.80

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Solution

The fourth proportional to 903,760.60, 1,355,252.10 and 454,307.80 is: 681,266.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,760.60 : 1,355,252.10 = 454,307.80 : x
  2. Step 2: Convert to fraction form
    903,760.60/1,355,252.10 = 454,307.80/x
  3. Step 3: Cross multiply
    903,760.60x = 1,355,252.10 × 454,307.80
  4. Step 4: Simplify right side
    903,760.60x = 615,701,599,996.38
  5. Step 5: Solve for x
    x = 615,701,599,996.38/903,760.60
  6. Step 6: Final answer
    x = 681,266.26

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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.