Home / 948,570.26-1,309,011.57-518,846.63

Finding the Fourth Proportional to 948,570.26, 1,309,011.57 and 518,846.63

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Solution

The fourth proportional to 948,570.26, 1,309,011.57 and 518,846.63 is: 715,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,570.26 : 1,309,011.57 = 518,846.63 : x
  2. Step 2: Convert to fraction form
    948,570.26/1,309,011.57 = 518,846.63/x
  3. Step 3: Cross multiply
    948,570.26x = 1,309,011.57 × 518,846.63
  4. Step 4: Simplify right side
    948,570.26x = 679,176,235,180.45
  5. Step 5: Solve for x
    x = 679,176,235,180.45/948,570.26
  6. Step 6: Final answer
    x = 715,999.93

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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.