Home / 1,010,502.74-1,394,490.93-557,790.50

Finding the Fourth Proportional to 1,010,502.74, 1,394,490.93 and 557,790.50

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Solution

The fourth proportional to 1,010,502.74, 1,394,490.93 and 557,790.50 is: 769,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,502.74 : 1,394,490.93 = 557,790.50 : x
  2. Step 2: Convert to fraction form
    1,010,502.74/1,394,490.93 = 557,790.50/x
  3. Step 3: Cross multiply
    1,010,502.74x = 1,394,490.93 × 557,790.50
  4. Step 4: Simplify right side
    1,010,502.74x = 777,833,793,090.17
  5. Step 5: Solve for x
    x = 777,833,793,090.17/1,010,502.74
  6. Step 6: Final answer
    x = 769,749.32

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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.