Home / 862,944-1,190,903.46-480,973.56

Finding the Fourth Proportional to 862,944, 1,190,903.46 and 480,973.56

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Solution

The fourth proportional to 862,944, 1,190,903.46 and 480,973.56 is: 663,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,944 : 1,190,903.46 = 480,973.56 : x
  2. Step 2: Convert to fraction form
    862,944/1,190,903.46 = 480,973.56/x
  3. Step 3: Cross multiply
    862,944x = 1,190,903.46 × 480,973.56
  4. Step 4: Simplify right side
    862,944x = 572,793,076,772.52
  5. Step 5: Solve for x
    x = 572,793,076,772.52/862,944
  6. Step 6: Final answer
    x = 663,766.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.