Home / 909,150.98-1,254,684.72-501,252.09

Finding the Fourth Proportional to 909,150.98, 1,254,684.72 and 501,252.09

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Solution

The fourth proportional to 909,150.98, 1,254,684.72 and 501,252.09 is: 691,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,150.98 : 1,254,684.72 = 501,252.09 : x
  2. Step 2: Convert to fraction form
    909,150.98/1,254,684.72 = 501,252.09/x
  3. Step 3: Cross multiply
    909,150.98x = 1,254,684.72 × 501,252.09
  4. Step 4: Simplify right side
    909,150.98x = 628,913,335,684.81
  5. Step 5: Solve for x
    x = 628,913,335,684.81/909,150.98
  6. Step 6: Final answer
    x = 691,758.96

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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.