Home / 883,743.60-1,325,615.40-485,612.40

Finding the Fourth Proportional to 883,743.60, 1,325,615.40 and 485,612.40

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Solution

The fourth proportional to 883,743.60, 1,325,615.40 and 485,612.40 is: 728,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,743.60 : 1,325,615.40 = 485,612.40 : x
  2. Step 2: Convert to fraction form
    883,743.60/1,325,615.40 = 485,612.40/x
  3. Step 3: Cross multiply
    883,743.60x = 1,325,615.40 × 485,612.40
  4. Step 4: Simplify right side
    883,743.60x = 643,735,275,870.96
  5. Step 5: Solve for x
    x = 643,735,275,870.96/883,743.60
  6. Step 6: Final answer
    x = 728,418.60

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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.