Home / 776,017.56-1,070,893.26-436,485

Finding the Fourth Proportional to 776,017.56, 1,070,893.26 and 436,485

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Solution

The fourth proportional to 776,017.56, 1,070,893.26 and 436,485 is: 602,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,017.56 : 1,070,893.26 = 436,485 : x
  2. Step 2: Convert to fraction form
    776,017.56/1,070,893.26 = 436,485/x
  3. Step 3: Cross multiply
    776,017.56x = 1,070,893.26 × 436,485
  4. Step 4: Simplify right side
    776,017.56x = 467,428,844,591.10
  5. Step 5: Solve for x
    x = 467,428,844,591.10/776,017.56
  6. Step 6: Final answer
    x = 602,343.13

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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.