Home / 747,072.93-1,030,958.49-407,538.75

Finding the Fourth Proportional to 747,072.93, 1,030,958.49 and 407,538.75

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Solution

The fourth proportional to 747,072.93, 1,030,958.49 and 407,538.75 is: 562,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,072.93 : 1,030,958.49 = 407,538.75 : x
  2. Step 2: Convert to fraction form
    747,072.93/1,030,958.49 = 407,538.75/x
  3. Step 3: Cross multiply
    747,072.93x = 1,030,958.49 × 407,538.75
  4. Step 4: Simplify right side
    747,072.93x = 420,155,534,316.49
  5. Step 5: Solve for x
    x = 420,155,534,316.49/747,072.93
  6. Step 6: Final answer
    x = 562,402.30

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Double scale
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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.