Home / 742,558.80-1,024,732.14-403,026.96

Finding the Fourth Proportional to 742,558.80, 1,024,732.14 and 403,026.96

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Solution

The fourth proportional to 742,558.80, 1,024,732.14 and 403,026.96 is: 556,177.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,558.80 : 1,024,732.14 = 403,026.96 : x
  2. Step 2: Convert to fraction form
    742,558.80/1,024,732.14 = 403,026.96/x
  3. Step 3: Cross multiply
    742,558.80x = 1,024,732.14 × 403,026.96
  4. Step 4: Simplify right side
    742,558.80x = 412,994,679,198.49
  5. Step 5: Solve for x
    x = 412,994,679,198.49/742,558.80
  6. Step 6: Final answer
    x = 556,177.75

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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.