Home / 885,891.48-1,329,048.86-286,853.32

Finding the Fourth Proportional to 885,891.48, 1,329,048.86 and 286,853.32

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Solution

The fourth proportional to 885,891.48, 1,329,048.86 and 286,853.32 is: 430,348.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,891.48 : 1,329,048.86 = 286,853.32 : x
  2. Step 2: Convert to fraction form
    885,891.48/1,329,048.86 = 286,853.32/x
  3. Step 3: Cross multiply
    885,891.48x = 1,329,048.86 × 286,853.32
  4. Step 4: Simplify right side
    885,891.48x = 381,242,077,933.22
  5. Step 5: Solve for x
    x = 381,242,077,933.22/885,891.48
  6. Step 6: Final answer
    x = 430,348.51

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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.