Home / 885,970.71-1,329,086.48-286,732.71

Finding the Fourth Proportional to 885,970.71, 1,329,086.48 and 286,732.71

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Solution

The fourth proportional to 885,970.71, 1,329,086.48 and 286,732.71 is: 430,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,970.71 : 1,329,086.48 = 286,732.71 : x
  2. Step 2: Convert to fraction form
    885,970.71/1,329,086.48 = 286,732.71/x
  3. Step 3: Cross multiply
    885,970.71x = 1,329,086.48 × 286,732.71
  4. Step 4: Simplify right side
    885,970.71x = 381,092,566,801.10
  5. Step 5: Solve for x
    x = 381,092,566,801.10/885,970.71
  6. Step 6: Final answer
    x = 430,141.27

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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.