Home / 909,704.08-1,255,392.84-501,796.72

Finding the Fourth Proportional to 909,704.08, 1,255,392.84 and 501,796.72

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Solution

The fourth proportional to 909,704.08, 1,255,392.84 and 501,796.72 is: 692,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,704.08 : 1,255,392.84 = 501,796.72 : x
  2. Step 2: Convert to fraction form
    909,704.08/1,255,392.84 = 501,796.72/x
  3. Step 3: Cross multiply
    909,704.08x = 1,255,392.84 × 501,796.72
  4. Step 4: Simplify right side
    909,704.08x = 629,952,009,423.49
  5. Step 5: Solve for x
    x = 629,952,009,423.49/909,704.08
  6. Step 6: Final answer
    x = 692,480.14

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1.5x scale

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.