Home / 840,574.49-1,159,991.48-458,601.31

Finding the Fourth Proportional to 840,574.49, 1,159,991.48 and 458,601.31

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Solution

The fourth proportional to 840,574.49, 1,159,991.48 and 458,601.31 is: 632,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,574.49 : 1,159,991.48 = 458,601.31 : x
  2. Step 2: Convert to fraction form
    840,574.49/1,159,991.48 = 458,601.31/x
  3. Step 3: Cross multiply
    840,574.49x = 1,159,991.48 × 458,601.31
  4. Step 4: Simplify right side
    840,574.49x = 531,973,607,123.85
  5. Step 5: Solve for x
    x = 531,973,607,123.85/840,574.49
  6. Step 6: Final answer
    x = 632,869.08

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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.