Home / 911,056.68-1,257,243.93-503,148.51

Finding the Fourth Proportional to 911,056.68, 1,257,243.93 and 503,148.51

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Solution

The fourth proportional to 911,056.68, 1,257,243.93 and 503,148.51 is: 694,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,056.68 : 1,257,243.93 = 503,148.51 : x
  2. Step 2: Convert to fraction form
    911,056.68/1,257,243.93 = 503,148.51/x
  3. Step 3: Cross multiply
    911,056.68x = 1,257,243.93 × 503,148.51
  4. Step 4: Simplify right side
    911,056.68x = 632,580,410,086.04
  5. Step 5: Solve for x
    x = 632,580,410,086.04/911,056.68
  6. Step 6: Final answer
    x = 694,337.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.