Home / 885,457.52-1,328,356.96-286,567.28

Finding the Fourth Proportional to 885,457.52, 1,328,356.96 and 286,567.28

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Solution

The fourth proportional to 885,457.52, 1,328,356.96 and 286,567.28 is: 429,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,457.52 : 1,328,356.96 = 286,567.28 : x
  2. Step 2: Convert to fraction form
    885,457.52/1,328,356.96 = 286,567.28/x
  3. Step 3: Cross multiply
    885,457.52x = 1,328,356.96 × 286,567.28
  4. Step 4: Simplify right side
    885,457.52x = 380,663,640,896.27
  5. Step 5: Solve for x
    x = 380,663,640,896.27/885,457.52
  6. Step 6: Final answer
    x = 429,906.16

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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.