Home / 952,430.40-1,427,479.20-419,385.60

Finding the Fourth Proportional to 952,430.40, 1,427,479.20 and 419,385.60

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Solution

The fourth proportional to 952,430.40, 1,427,479.20 and 419,385.60 is: 628,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,430.40 : 1,427,479.20 = 419,385.60 : x
  2. Step 2: Convert to fraction form
    952,430.40/1,427,479.20 = 419,385.60/x
  3. Step 3: Cross multiply
    952,430.40x = 1,427,479.20 × 419,385.60
  4. Step 4: Simplify right side
    952,430.40x = 598,664,220,779.52
  5. Step 5: Solve for x
    x = 598,664,220,779.52/952,430.40
  6. Step 6: Final answer
    x = 628,564.80

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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.