Home / 837,062.68-1,155,140.80-455,089.48

Finding the Fourth Proportional to 837,062.68, 1,155,140.80 and 455,089.48

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Solution

The fourth proportional to 837,062.68, 1,155,140.80 and 455,089.48 is: 628,020.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,062.68 : 1,155,140.80 = 455,089.48 : x
  2. Step 2: Convert to fraction form
    837,062.68/1,155,140.80 = 455,089.48/x
  3. Step 3: Cross multiply
    837,062.68x = 1,155,140.80 × 455,089.48
  4. Step 4: Simplify right side
    837,062.68x = 525,692,425,998.78
  5. Step 5: Solve for x
    x = 525,692,425,998.78/837,062.68
  6. Step 6: Final answer
    x = 628,020.38

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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.