Home / 909,315.45-1,254,930.03-501,497.06

Finding the Fourth Proportional to 909,315.45, 1,254,930.03 and 501,497.06

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Solution

The fourth proportional to 909,315.45, 1,254,930.03 and 501,497.06 is: 692,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,315.45 : 1,254,930.03 = 501,497.06 : x
  2. Step 2: Convert to fraction form
    909,315.45/1,254,930.03 = 501,497.06/x
  3. Step 3: Cross multiply
    909,315.45x = 1,254,930.03 × 501,497.06
  4. Step 4: Simplify right side
    909,315.45x = 629,343,714,276.06
  5. Step 5: Solve for x
    x = 629,343,714,276.06/909,315.45
  6. Step 6: Final answer
    x = 692,107.14

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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.