Home / 909,350.54-1,254,975.28-501,489.62

Finding the Fourth Proportional to 909,350.54, 1,254,975.28 and 501,489.62

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Solution

The fourth proportional to 909,350.54, 1,254,975.28 and 501,489.62 is: 692,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,350.54 : 1,254,975.28 = 501,489.62 : x
  2. Step 2: Convert to fraction form
    909,350.54/1,254,975.28 = 501,489.62/x
  3. Step 3: Cross multiply
    909,350.54x = 1,254,975.28 × 501,489.62
  4. Step 4: Simplify right side
    909,350.54x = 629,357,070,001.72
  5. Step 5: Solve for x
    x = 629,357,070,001.72/909,350.54
  6. Step 6: Final answer
    x = 692,095.12

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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.