Home / 898,074.40-1,347,298.80-299,221.60

Finding the Fourth Proportional to 898,074.40, 1,347,298.80 and 299,221.60

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Solution

The fourth proportional to 898,074.40, 1,347,298.80 and 299,221.60 is: 448,894.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,074.40 : 1,347,298.80 = 299,221.60 : x
  2. Step 2: Convert to fraction form
    898,074.40/1,347,298.80 = 299,221.60/x
  3. Step 3: Cross multiply
    898,074.40x = 1,347,298.80 × 299,221.60
  4. Step 4: Simplify right side
    898,074.40x = 403,140,902,614.08
  5. Step 5: Solve for x
    x = 403,140,902,614.08/898,074.40
  6. Step 6: Final answer
    x = 448,894.77

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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.