Home / 908,903.25-1,254,279.60-501,005.07

Finding the Fourth Proportional to 908,903.25, 1,254,279.60 and 501,005.07

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Solution

The fourth proportional to 908,903.25, 1,254,279.60 and 501,005.07 is: 691,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,903.25 : 1,254,279.60 = 501,005.07 : x
  2. Step 2: Convert to fraction form
    908,903.25/1,254,279.60 = 501,005.07/x
  3. Step 3: Cross multiply
    908,903.25x = 1,254,279.60 × 501,005.07
  4. Step 4: Simplify right side
    908,903.25x = 628,400,438,797.57
  5. Step 5: Solve for x
    x = 628,400,438,797.57/908,903.25
  6. Step 6: Final answer
    x = 691,383.20

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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.