Home / 909,475.10-1,254,859.85-516,977.25

Finding the Fourth Proportional to 909,475.10, 1,254,859.85 and 516,977.25

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Solution

The fourth proportional to 909,475.10, 1,254,859.85 and 516,977.25 is: 713,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,475.10 : 1,254,859.85 = 516,977.25 : x
  2. Step 2: Convert to fraction form
    909,475.10/1,254,859.85 = 516,977.25/x
  3. Step 3: Cross multiply
    909,475.10x = 1,254,859.85 × 516,977.25
  4. Step 4: Simplify right side
    909,475.10x = 648,733,994,388.41
  5. Step 5: Solve for x
    x = 648,733,994,388.41/909,475.10
  6. Step 6: Final answer
    x = 713,305.94

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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.