Home / 761,662.84-1,051,054.26-439,353.76

Finding the Fourth Proportional to 761,662.84, 1,051,054.26 and 439,353.76

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Solution

The fourth proportional to 761,662.84, 1,051,054.26 and 439,353.76 is: 606,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,662.84 : 1,051,054.26 = 439,353.76 : x
  2. Step 2: Convert to fraction form
    761,662.84/1,051,054.26 = 439,353.76/x
  3. Step 3: Cross multiply
    761,662.84x = 1,051,054.26 × 439,353.76
  4. Step 4: Simplify right side
    761,662.84x = 461,784,641,095.02
  5. Step 5: Solve for x
    x = 461,784,641,095.02/761,662.84
  6. Step 6: Final answer
    x = 606,284.85

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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.