Home / 776,019.94-1,070,896.54-436,487.38

Finding the Fourth Proportional to 776,019.94, 1,070,896.54 and 436,487.38

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Solution

The fourth proportional to 776,019.94, 1,070,896.54 and 436,487.38 is: 602,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,019.94 : 1,070,896.54 = 436,487.38 : x
  2. Step 2: Convert to fraction form
    776,019.94/1,070,896.54 = 436,487.38/x
  3. Step 3: Cross multiply
    776,019.94x = 1,070,896.54 × 436,487.38
  4. Step 4: Simplify right side
    776,019.94x = 467,432,824,995.67
  5. Step 5: Solve for x
    x = 467,432,824,995.67/776,019.94
  6. Step 6: Final answer
    x = 602,346.41

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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.