Home / 752,501.89-1,038,157.01-430,039

Finding the Fourth Proportional to 752,501.89, 1,038,157.01 and 430,039

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Solution

The fourth proportional to 752,501.89, 1,038,157.01 and 430,039 is: 593,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,501.89 : 1,038,157.01 = 430,039 : x
  2. Step 2: Convert to fraction form
    752,501.89/1,038,157.01 = 430,039/x
  3. Step 3: Cross multiply
    752,501.89x = 1,038,157.01 × 430,039
  4. Step 4: Simplify right side
    752,501.89x = 446,448,002,423.39
  5. Step 5: Solve for x
    x = 446,448,002,423.39/752,501.89
  6. Step 6: Final answer
    x = 593,284.89

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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.