Home / 726,762.40-1,090,143.60-446,826.40

Finding the Fourth Proportional to 726,762.40, 1,090,143.60 and 446,826.40

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Solution

The fourth proportional to 726,762.40, 1,090,143.60 and 446,826.40 is: 670,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,762.40 : 1,090,143.60 = 446,826.40 : x
  2. Step 2: Convert to fraction form
    726,762.40/1,090,143.60 = 446,826.40/x
  3. Step 3: Cross multiply
    726,762.40x = 1,090,143.60 × 446,826.40
  4. Step 4: Simplify right side
    726,762.40x = 487,104,940,271.04
  5. Step 5: Solve for x
    x = 487,104,940,271.04/726,762.40
  6. Step 6: Final answer
    x = 670,239.60

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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.