Home / 928,064.66-1,392,544.10-478,806.26

Finding the Fourth Proportional to 928,064.66, 1,392,544.10 and 478,806.26

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Solution

The fourth proportional to 928,064.66, 1,392,544.10 and 478,806.26 is: 718,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,064.66 : 1,392,544.10 = 478,806.26 : x
  2. Step 2: Convert to fraction form
    928,064.66/1,392,544.10 = 478,806.26/x
  3. Step 3: Cross multiply
    928,064.66x = 1,392,544.10 × 478,806.26
  4. Step 4: Simplify right side
    928,064.66x = 666,758,826,640.36
  5. Step 5: Solve for x
    x = 666,758,826,640.36/928,064.66
  6. Step 6: Final answer
    x = 718,440.06

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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.