Home / 747,477.90-1,121,176.60-368,020.31

Finding the Fourth Proportional to 747,477.90, 1,121,176.60 and 368,020.31

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Solution

The fourth proportional to 747,477.90, 1,121,176.60 and 368,020.31 is: 552,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,477.90 : 1,121,176.60 = 368,020.31 : x
  2. Step 2: Convert to fraction form
    747,477.90/1,121,176.60 = 368,020.31/x
  3. Step 3: Cross multiply
    747,477.90x = 1,121,176.60 × 368,020.31
  4. Step 4: Simplify right side
    747,477.90x = 412,615,753,370.81
  5. Step 5: Solve for x
    x = 412,615,753,370.81/747,477.90
  6. Step 6: Final answer
    x = 552,010.64

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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.