Home / 556,043.36-767,271.14-394,839.58

Finding the Fourth Proportional to 556,043.36, 767,271.14 and 394,839.58

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Solution

The fourth proportional to 556,043.36, 767,271.14 and 394,839.58 is: 544,829.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,043.36 : 767,271.14 = 394,839.58 : x
  2. Step 2: Convert to fraction form
    556,043.36/767,271.14 = 394,839.58/x
  3. Step 3: Cross multiply
    556,043.36x = 767,271.14 × 394,839.58
  4. Step 4: Simplify right side
    556,043.36x = 302,949,014,663.72
  5. Step 5: Solve for x
    x = 302,949,014,663.72/556,043.36
  6. Step 6: Final answer
    x = 544,829.84

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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.