Home / 885,875.78-1,329,025.36-286,837.58

Finding the Fourth Proportional to 885,875.78, 1,329,025.36 and 286,837.58

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Solution

The fourth proportional to 885,875.78, 1,329,025.36 and 286,837.58 is: 430,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,875.78 : 1,329,025.36 = 286,837.58 : x
  2. Step 2: Convert to fraction form
    885,875.78/1,329,025.36 = 286,837.58/x
  3. Step 3: Cross multiply
    885,875.78x = 1,329,025.36 × 286,837.58
  4. Step 4: Simplify right side
    885,875.78x = 381,214,418,021.03
  5. Step 5: Solve for x
    x = 381,214,418,021.03/885,875.78
  6. Step 6: Final answer
    x = 430,324.91

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Double scale
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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.