Home / 724,938.88-1,000,494.04-438,616.84

Finding the Fourth Proportional to 724,938.88, 1,000,494.04 and 438,616.84

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Solution

The fourth proportional to 724,938.88, 1,000,494.04 and 438,616.84 is: 605,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,938.88 : 1,000,494.04 = 438,616.84 : x
  2. Step 2: Convert to fraction form
    724,938.88/1,000,494.04 = 438,616.84/x
  3. Step 3: Cross multiply
    724,938.88x = 1,000,494.04 × 438,616.84
  4. Step 4: Simplify right side
    724,938.88x = 438,833,534,263.63
  5. Step 5: Solve for x
    x = 438,833,534,263.63/724,938.88
  6. Step 6: Final answer
    x = 605,338.67

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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.