Home / 776,022.31-1,070,899.81-436,489.75

Finding the Fourth Proportional to 776,022.31, 1,070,899.81 and 436,489.75

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Solution

The fourth proportional to 776,022.31, 1,070,899.81 and 436,489.75 is: 602,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,022.31 : 1,070,899.81 = 436,489.75 : x
  2. Step 2: Convert to fraction form
    776,022.31/1,070,899.81 = 436,489.75/x
  3. Step 3: Cross multiply
    776,022.31x = 1,070,899.81 × 436,489.75
  4. Step 4: Simplify right side
    776,022.31x = 467,436,790,341.95
  5. Step 5: Solve for x
    x = 467,436,790,341.95/776,022.31
  6. Step 6: Final answer
    x = 602,349.68

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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.