Home / 762,288.14-1,051,818.54-439,880.60

Finding the Fourth Proportional to 762,288.14, 1,051,818.54 and 439,880.60

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Solution

The fourth proportional to 762,288.14, 1,051,818.54 and 439,880.60 is: 606,954.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,288.14 : 1,051,818.54 = 439,880.60 : x
  2. Step 2: Convert to fraction form
    762,288.14/1,051,818.54 = 439,880.60/x
  3. Step 3: Cross multiply
    762,288.14x = 1,051,818.54 × 439,880.60
  4. Step 4: Simplify right side
    762,288.14x = 462,674,570,466.32
  5. Step 5: Solve for x
    x = 462,674,570,466.32/762,288.14
  6. Step 6: Final answer
    x = 606,954.96

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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.