Home / 948,576.12-1,309,045.34-518,846.80

Finding the Fourth Proportional to 948,576.12, 1,309,045.34 and 518,846.80

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Solution

The fourth proportional to 948,576.12, 1,309,045.34 and 518,846.80 is: 716,014.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,576.12 : 1,309,045.34 = 518,846.80 : x
  2. Step 2: Convert to fraction form
    948,576.12/1,309,045.34 = 518,846.80/x
  3. Step 3: Cross multiply
    948,576.12x = 1,309,045.34 × 518,846.80
  4. Step 4: Simplify right side
    948,576.12x = 679,193,985,713.91
  5. Step 5: Solve for x
    x = 679,193,985,713.91/948,576.12
  6. Step 6: Final answer
    x = 716,014.21

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Double scale
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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.