Home / 917,250.71-1,265,814.81-535,203.68

Finding the Fourth Proportional to 917,250.71, 1,265,814.81 and 535,203.68

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Solution

The fourth proportional to 917,250.71, 1,265,814.81 and 535,203.68 is: 738,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,250.71 : 1,265,814.81 = 535,203.68 : x
  2. Step 2: Convert to fraction form
    917,250.71/1,265,814.81 = 535,203.68/x
  3. Step 3: Cross multiply
    917,250.71x = 1,265,814.81 × 535,203.68
  4. Step 4: Simplify right side
    917,250.71x = 677,468,738,181.43
  5. Step 5: Solve for x
    x = 677,468,738,181.43/917,250.71
  6. Step 6: Final answer
    x = 738,586.23

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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.