Home / 898,445.40-1,347,218.53-299,197.68

Finding the Fourth Proportional to 898,445.40, 1,347,218.53 and 299,197.68

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Solution

The fourth proportional to 898,445.40, 1,347,218.53 and 299,197.68 is: 448,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,445.40 : 1,347,218.53 = 299,197.68 : x
  2. Step 2: Convert to fraction form
    898,445.40/1,347,218.53 = 299,197.68/x
  3. Step 3: Cross multiply
    898,445.40x = 1,347,218.53 × 299,197.68
  4. Step 4: Simplify right side
    898,445.40x = 403,084,658,629.01
  5. Step 5: Solve for x
    x = 403,084,658,629.01/898,445.40
  6. Step 6: Final answer
    x = 448,646.81

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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.