Home / 898,455.60-1,347,683.40-299,436.30

Finding the Fourth Proportional to 898,455.60, 1,347,683.40 and 299,436.30

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Solution

The fourth proportional to 898,455.60, 1,347,683.40 and 299,436.30 is: 449,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,455.60 : 1,347,683.40 = 299,436.30 : x
  2. Step 2: Convert to fraction form
    898,455.60/1,347,683.40 = 299,436.30/x
  3. Step 3: Cross multiply
    898,455.60x = 1,347,683.40 × 299,436.30
  4. Step 4: Simplify right side
    898,455.60x = 403,545,330,867.42
  5. Step 5: Solve for x
    x = 403,545,330,867.42/898,455.60
  6. Step 6: Final answer
    x = 449,154.45

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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.