Home / 840,417.44-1,159,768.64-458,436

Finding the Fourth Proportional to 840,417.44, 1,159,768.64 and 458,436

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Solution

The fourth proportional to 840,417.44, 1,159,768.64 and 458,436 is: 632,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,417.44 : 1,159,768.64 = 458,436 : x
  2. Step 2: Convert to fraction form
    840,417.44/1,159,768.64 = 458,436/x
  3. Step 3: Cross multiply
    840,417.44x = 1,159,768.64 × 458,436
  4. Step 4: Simplify right side
    840,417.44x = 531,679,696,247.04
  5. Step 5: Solve for x
    x = 531,679,696,247.04/840,417.44
  6. Step 6: Final answer
    x = 632,637.63

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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.