Home / 885,838.16-1,328,967.48-286,799.36

Finding the Fourth Proportional to 885,838.16, 1,328,967.48 and 286,799.36

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Solution

The fourth proportional to 885,838.16, 1,328,967.48 and 286,799.36 is: 430,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,838.16 : 1,328,967.48 = 286,799.36 : x
  2. Step 2: Convert to fraction form
    885,838.16/1,328,967.48 = 286,799.36/x
  3. Step 3: Cross multiply
    885,838.16x = 1,328,967.48 × 286,799.36
  4. Step 4: Simplify right side
    885,838.16x = 381,147,022,724.81
  5. Step 5: Solve for x
    x = 381,147,022,724.81/885,838.16
  6. Step 6: Final answer
    x = 430,267.11

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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.