Home / 949,827.12-1,422,479.16-549,624.48

Finding the Fourth Proportional to 949,827.12, 1,422,479.16 and 549,624.48

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Solution

The fourth proportional to 949,827.12, 1,422,479.16 and 549,624.48 is: 823,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,827.12 : 1,422,479.16 = 549,624.48 : x
  2. Step 2: Convert to fraction form
    949,827.12/1,422,479.16 = 549,624.48/x
  3. Step 3: Cross multiply
    949,827.12x = 1,422,479.16 × 549,624.48
  4. Step 4: Simplify right side
    949,827.12x = 781,829,368,625.84
  5. Step 5: Solve for x
    x = 781,829,368,625.84/949,827.12
  6. Step 6: Final answer
    x = 823,128.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.