Home / 841,273.80-1,263,222.90-486,979.80

Finding the Fourth Proportional to 841,273.80, 1,263,222.90 and 486,979.80

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Solution

The fourth proportional to 841,273.80, 1,263,222.90 and 486,979.80 is: 731,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,273.80 : 1,263,222.90 = 486,979.80 : x
  2. Step 2: Convert to fraction form
    841,273.80/1,263,222.90 = 486,979.80/x
  3. Step 3: Cross multiply
    841,273.80x = 1,263,222.90 × 486,979.80
  4. Step 4: Simplify right side
    841,273.80x = 615,164,035,197.42
  5. Step 5: Solve for x
    x = 615,164,035,197.42/841,273.80
  6. Step 6: Final answer
    x = 731,229.28

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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.