Home / 908,954.87-1,254,301.30-501,035.63

Finding the Fourth Proportional to 908,954.87, 1,254,301.30 and 501,035.63

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Solution

The fourth proportional to 908,954.87, 1,254,301.30 and 501,035.63 is: 691,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,954.87 : 1,254,301.30 = 501,035.63 : x
  2. Step 2: Convert to fraction form
    908,954.87/1,254,301.30 = 501,035.63/x
  3. Step 3: Cross multiply
    908,954.87x = 1,254,301.30 × 501,035.63
  4. Step 4: Simplify right side
    908,954.87x = 628,449,636,410.11
  5. Step 5: Solve for x
    x = 628,449,636,410.11/908,954.87
  6. Step 6: Final answer
    x = 691,398.07

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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.