Home / 739,824.18-1,020,847.91-449,284.65

Finding the Fourth Proportional to 739,824.18, 1,020,847.91 and 449,284.65

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Solution

The fourth proportional to 739,824.18, 1,020,847.91 and 449,284.65 is: 619,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,824.18 : 1,020,847.91 = 449,284.65 : x
  2. Step 2: Convert to fraction form
    739,824.18/1,020,847.91 = 449,284.65/x
  3. Step 3: Cross multiply
    739,824.18x = 1,020,847.91 × 449,284.65
  4. Step 4: Simplify right side
    739,824.18x = 458,651,293,701.16
  5. Step 5: Solve for x
    x = 458,651,293,701.16/739,824.18
  6. Step 6: Final answer
    x = 619,946.34

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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.