Home / 840,502.41-1,159,870.37-458,529.09

Finding the Fourth Proportional to 840,502.41, 1,159,870.37 and 458,529.09

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Solution

The fourth proportional to 840,502.41, 1,159,870.37 and 458,529.09 is: 632,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,502.41 : 1,159,870.37 = 458,529.09 : x
  2. Step 2: Convert to fraction form
    840,502.41/1,159,870.37 = 458,529.09/x
  3. Step 3: Cross multiply
    840,502.41x = 1,159,870.37 × 458,529.09
  4. Step 4: Simplify right side
    840,502.41x = 531,834,302,981.42
  5. Step 5: Solve for x
    x = 531,834,302,981.42/840,502.41
  6. Step 6: Final answer
    x = 632,757.62

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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.