Home / 908,992.49-1,254,409.34-501,101.28

Finding the Fourth Proportional to 908,992.49, 1,254,409.34 and 501,101.28

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Solution

The fourth proportional to 908,992.49, 1,254,409.34 and 501,101.28 is: 691,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,992.49 : 1,254,409.34 = 501,101.28 : x
  2. Step 2: Convert to fraction form
    908,992.49/1,254,409.34 = 501,101.28/x
  3. Step 3: Cross multiply
    908,992.49x = 1,254,409.34 × 501,101.28
  4. Step 4: Simplify right side
    908,992.49x = 628,586,123,412.45
  5. Step 5: Solve for x
    x = 628,586,123,412.45/908,992.49
  6. Step 6: Final answer
    x = 691,519.60

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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.