Home / 759,313.62-1,047,807.80-419,761.62

Finding the Fourth Proportional to 759,313.62, 1,047,807.80 and 419,761.62

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Solution

The fourth proportional to 759,313.62, 1,047,807.80 and 419,761.62 is: 579,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,313.62 : 1,047,807.80 = 419,761.62 : x
  2. Step 2: Convert to fraction form
    759,313.62/1,047,807.80 = 419,761.62/x
  3. Step 3: Cross multiply
    759,313.62x = 1,047,807.80 × 419,761.62
  4. Step 4: Simplify right side
    759,313.62x = 439,829,499,576.64
  5. Step 5: Solve for x
    x = 439,829,499,576.64/759,313.62
  6. Step 6: Final answer
    x = 579,246.16

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1.5x scale

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.