Home / 709,318.40-1,064,025.60-288,601.60

Finding the Fourth Proportional to 709,318.40, 1,064,025.60 and 288,601.60

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Solution

The fourth proportional to 709,318.40, 1,064,025.60 and 288,601.60 is: 432,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,318.40 : 1,064,025.60 = 288,601.60 : x
  2. Step 2: Convert to fraction form
    709,318.40/1,064,025.60 = 288,601.60/x
  3. Step 3: Cross multiply
    709,318.40x = 1,064,025.60 × 288,601.60
  4. Step 4: Simplify right side
    709,318.40x = 307,079,490,600.96
  5. Step 5: Solve for x
    x = 307,079,490,600.96/709,318.40
  6. Step 6: Final answer
    x = 432,921.93

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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.