Home / 898,443.90-1,347,337.80-299,424.60

Finding the Fourth Proportional to 898,443.90, 1,347,337.80 and 299,424.60

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Solution

The fourth proportional to 898,443.90, 1,347,337.80 and 299,424.60 is: 449,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,443.90 : 1,347,337.80 = 299,424.60 : x
  2. Step 2: Convert to fraction form
    898,443.90/1,347,337.80 = 299,424.60/x
  3. Step 3: Cross multiply
    898,443.90x = 1,347,337.80 × 299,424.60
  4. Step 4: Simplify right side
    898,443.90x = 403,426,081,829.88
  5. Step 5: Solve for x
    x = 403,426,081,829.88/898,443.90
  6. Step 6: Final answer
    x = 449,027.57

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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.