Home / 759,314.50-1,047,875.88-419,804.62

Finding the Fourth Proportional to 759,314.50, 1,047,875.88 and 419,804.62

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Solution

The fourth proportional to 759,314.50, 1,047,875.88 and 419,804.62 is: 579,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,314.50 : 1,047,875.88 = 419,804.62 : x
  2. Step 2: Convert to fraction form
    759,314.50/1,047,875.88 = 419,804.62/x
  3. Step 3: Cross multiply
    759,314.50x = 1,047,875.88 × 419,804.62
  4. Step 4: Simplify right side
    759,314.50x = 439,903,135,610.57
  5. Step 5: Solve for x
    x = 439,903,135,610.57/759,314.50
  6. Step 6: Final answer
    x = 579,342.47

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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.