Home / 403,525.54-556,931.82-307,851.58

Finding the Fourth Proportional to 403,525.54, 556,931.82 and 307,851.58

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Solution

The fourth proportional to 403,525.54, 556,931.82 and 307,851.58 is: 424,885.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,525.54 : 556,931.82 = 307,851.58 : x
  2. Step 2: Convert to fraction form
    403,525.54/556,931.82 = 307,851.58/x
  3. Step 3: Cross multiply
    403,525.54x = 556,931.82 × 307,851.58
  4. Step 4: Simplify right side
    403,525.54x = 171,452,340,739.28
  5. Step 5: Solve for x
    x = 171,452,340,739.28/403,525.54
  6. Step 6: Final answer
    x = 424,885.97

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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.