Home / 840,503.16-1,159,871.40-458,529.84

Finding the Fourth Proportional to 840,503.16, 1,159,871.40 and 458,529.84

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Solution

The fourth proportional to 840,503.16, 1,159,871.40 and 458,529.84 is: 632,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,503.16 : 1,159,871.40 = 458,529.84 : x
  2. Step 2: Convert to fraction form
    840,503.16/1,159,871.40 = 458,529.84/x
  3. Step 3: Cross multiply
    840,503.16x = 1,159,871.40 × 458,529.84
  4. Step 4: Simplify right side
    840,503.16x = 531,835,647,462.58
  5. Step 5: Solve for x
    x = 531,835,647,462.58/840,503.16
  6. Step 6: Final answer
    x = 632,758.65

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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.