Home / 752,355.27-1,038,250.31-430,072.34

Finding the Fourth Proportional to 752,355.27, 1,038,250.31 and 430,072.34

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Solution

The fourth proportional to 752,355.27, 1,038,250.31 and 430,072.34 is: 593,499.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,355.27 : 1,038,250.31 = 430,072.34 : x
  2. Step 2: Convert to fraction form
    752,355.27/1,038,250.31 = 430,072.34/x
  3. Step 3: Cross multiply
    752,355.27x = 1,038,250.31 × 430,072.34
  4. Step 4: Simplify right side
    752,355.27x = 446,522,732,985.81
  5. Step 5: Solve for x
    x = 446,522,732,985.81/752,355.27
  6. Step 6: Final answer
    x = 593,499.84

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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.