Home / 938,900.01-1,407,996.45-339,713.04

Finding the Fourth Proportional to 938,900.01, 1,407,996.45 and 339,713.04

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Solution

The fourth proportional to 938,900.01, 1,407,996.45 and 339,713.04 is: 509,441.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,900.01 : 1,407,996.45 = 339,713.04 : x
  2. Step 2: Convert to fraction form
    938,900.01/1,407,996.45 = 339,713.04/x
  3. Step 3: Cross multiply
    938,900.01x = 1,407,996.45 × 339,713.04
  4. Step 4: Simplify right side
    938,900.01x = 478,314,754,338.71
  5. Step 5: Solve for x
    x = 478,314,754,338.71/938,900.01
  6. Step 6: Final answer
    x = 509,441.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.