Home / 885,865.44-1,329,009.84-286,827.24

Finding the Fourth Proportional to 885,865.44, 1,329,009.84 and 286,827.24

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Solution

The fourth proportional to 885,865.44, 1,329,009.84 and 286,827.24 is: 430,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,865.44 : 1,329,009.84 = 286,827.24 : x
  2. Step 2: Convert to fraction form
    885,865.44/1,329,009.84 = 286,827.24/x
  3. Step 3: Cross multiply
    885,865.44x = 1,329,009.84 × 286,827.24
  4. Step 4: Simplify right side
    885,865.44x = 381,196,224,340.04
  5. Step 5: Solve for x
    x = 381,196,224,340.04/885,865.44
  6. Step 6: Final answer
    x = 430,309.40

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1.5x scale

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.