Home / 776,017.94-1,070,893.78-436,485.38

Finding the Fourth Proportional to 776,017.94, 1,070,893.78 and 436,485.38

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Solution

The fourth proportional to 776,017.94, 1,070,893.78 and 436,485.38 is: 602,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,017.94 : 1,070,893.78 = 436,485.38 : x
  2. Step 2: Convert to fraction form
    776,017.94/1,070,893.78 = 436,485.38/x
  3. Step 3: Cross multiply
    776,017.94x = 1,070,893.78 × 436,485.38
  4. Step 4: Simplify right side
    776,017.94x = 467,429,472,057.25
  5. Step 5: Solve for x
    x = 467,429,472,057.25/776,017.94
  6. Step 6: Final answer
    x = 602,343.65

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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.