Home / 898,923.60-1,348,903.80-338,360.40

Finding the Fourth Proportional to 898,923.60, 1,348,903.80 and 338,360.40

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Solution

The fourth proportional to 898,923.60, 1,348,903.80 and 338,360.40 is: 507,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,923.60 : 1,348,903.80 = 338,360.40 : x
  2. Step 2: Convert to fraction form
    898,923.60/1,348,903.80 = 338,360.40/x
  3. Step 3: Cross multiply
    898,923.60x = 1,348,903.80 × 338,360.40
  4. Step 4: Simplify right side
    898,923.60x = 456,415,629,329.52
  5. Step 5: Solve for x
    x = 456,415,629,329.52/898,923.60
  6. Step 6: Final answer
    x = 507,735.73

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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.