Home / 752,490.90-1,038,141.82-430,028.00

Finding the Fourth Proportional to 752,490.90, 1,038,141.82 and 430,028.00

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Solution

The fourth proportional to 752,490.90, 1,038,141.82 and 430,028.00 is: 593,269.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,490.90 : 1,038,141.82 = 430,028.00 : x
  2. Step 2: Convert to fraction form
    752,490.90/1,038,141.82 = 430,028.00/x
  3. Step 3: Cross multiply
    752,490.90x = 1,038,141.82 × 430,028.00
  4. Step 4: Simplify right side
    752,490.90x = 446,430,049,810.82
  5. Step 5: Solve for x
    x = 446,430,049,810.82/752,490.90
  6. Step 6: Final answer
    x = 593,269.70

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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.