Home / 435,541.37-655,870.23-380,043.54

Finding the Fourth Proportional to 435,541.37, 655,870.23 and 380,043.54

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Solution

The fourth proportional to 435,541.37, 655,870.23 and 380,043.54 is: 572,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,541.37 : 655,870.23 = 380,043.54 : x
  2. Step 2: Convert to fraction form
    435,541.37/655,870.23 = 380,043.54/x
  3. Step 3: Cross multiply
    435,541.37x = 655,870.23 × 380,043.54
  4. Step 4: Simplify right side
    435,541.37x = 249,259,243,989.81
  5. Step 5: Solve for x
    x = 249,259,243,989.81/435,541.37
  6. Step 6: Final answer
    x = 572,297.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.