Home / 898,307.40-1,347,461.10-449,097.60

Finding the Fourth Proportional to 898,307.40, 1,347,461.10 and 449,097.60

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Solution

The fourth proportional to 898,307.40, 1,347,461.10 and 449,097.60 is: 673,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,307.40 : 1,347,461.10 = 449,097.60 : x
  2. Step 2: Convert to fraction form
    898,307.40/1,347,461.10 = 449,097.60/x
  3. Step 3: Cross multiply
    898,307.40x = 1,347,461.10 × 449,097.60
  4. Step 4: Simplify right side
    898,307.40x = 605,141,546,103.36
  5. Step 5: Solve for x
    x = 605,141,546,103.36/898,307.40
  6. Step 6: Final answer
    x = 673,646.40

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Double scale
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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.