Home / 646,142.04-964,374.48-603,626.76

Finding the Fourth Proportional to 646,142.04, 964,374.48 and 603,626.76

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Solution

The fourth proportional to 646,142.04, 964,374.48 and 603,626.76 is: 900,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,142.04 : 964,374.48 = 603,626.76 : x
  2. Step 2: Convert to fraction form
    646,142.04/964,374.48 = 603,626.76/x
  3. Step 3: Cross multiply
    646,142.04x = 964,374.48 × 603,626.76
  4. Step 4: Simplify right side
    646,142.04x = 582,122,242,789.09
  5. Step 5: Solve for x
    x = 582,122,242,789.09/646,142.04
  6. Step 6: Final answer
    x = 900,919.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.