Home / 777,272.21-1,072,607.33-433,090.35

Finding the Fourth Proportional to 777,272.21, 1,072,607.33 and 433,090.35

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Solution

The fourth proportional to 777,272.21, 1,072,607.33 and 433,090.35 is: 597,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,272.21 : 1,072,607.33 = 433,090.35 : x
  2. Step 2: Convert to fraction form
    777,272.21/1,072,607.33 = 433,090.35/x
  3. Step 3: Cross multiply
    777,272.21x = 1,072,607.33 × 433,090.35
  4. Step 4: Simplify right side
    777,272.21x = 464,535,881,796.81
  5. Step 5: Solve for x
    x = 464,535,881,796.81/777,272.21
  6. Step 6: Final answer
    x = 597,648.90

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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.