Home / 885,857.04-1,328,996.74-286,818.37

Finding the Fourth Proportional to 885,857.04, 1,328,996.74 and 286,818.37

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Solution

The fourth proportional to 885,857.04, 1,328,996.74 and 286,818.37 is: 430,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,857.04 : 1,328,996.74 = 286,818.37 : x
  2. Step 2: Convert to fraction form
    885,857.04/1,328,996.74 = 286,818.37/x
  3. Step 3: Cross multiply
    885,857.04x = 1,328,996.74 × 286,818.37
  4. Step 4: Simplify right side
    885,857.04x = 381,180,678,702.11
  5. Step 5: Solve for x
    x = 381,180,678,702.11/885,857.04
  6. Step 6: Final answer
    x = 430,295.93

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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.