Home / 840,291.84-1,159,601.92-458,317.44

Finding the Fourth Proportional to 840,291.84, 1,159,601.92 and 458,317.44

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Solution

The fourth proportional to 840,291.84, 1,159,601.92 and 458,317.44 is: 632,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,291.84 : 1,159,601.92 = 458,317.44 : x
  2. Step 2: Convert to fraction form
    840,291.84/1,159,601.92 = 458,317.44/x
  3. Step 3: Cross multiply
    840,291.84x = 1,159,601.92 × 458,317.44
  4. Step 4: Simplify right side
    840,291.84x = 531,465,783,393.49
  5. Step 5: Solve for x
    x = 531,465,783,393.49/840,291.84
  6. Step 6: Final answer
    x = 632,477.62

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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.