Home / 746,903.79-1,118,175.81-555,626.64

Finding the Fourth Proportional to 746,903.79, 1,118,175.81 and 555,626.64

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Solution

The fourth proportional to 746,903.79, 1,118,175.81 and 555,626.64 is: 831,818.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,903.79 : 1,118,175.81 = 555,626.64 : x
  2. Step 2: Convert to fraction form
    746,903.79/1,118,175.81 = 555,626.64/x
  3. Step 3: Cross multiply
    746,903.79x = 1,118,175.81 × 555,626.64
  4. Step 4: Simplify right side
    746,903.79x = 621,288,268,239.58
  5. Step 5: Solve for x
    x = 621,288,268,239.58/746,903.79
  6. Step 6: Final answer
    x = 831,818.34

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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.