Home / 760,053.98-1,140,081.24-191,439.79

Finding the Fourth Proportional to 760,053.98, 1,140,081.24 and 191,439.79

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Solution

The fourth proportional to 760,053.98, 1,140,081.24 and 191,439.79 is: 287,159.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,053.98 : 1,140,081.24 = 191,439.79 : x
  2. Step 2: Convert to fraction form
    760,053.98/1,140,081.24 = 191,439.79/x
  3. Step 3: Cross multiply
    760,053.98x = 1,140,081.24 × 191,439.79
  4. Step 4: Simplify right side
    760,053.98x = 218,256,911,036.24
  5. Step 5: Solve for x
    x = 218,256,911,036.24/760,053.98
  6. Step 6: Final answer
    x = 287,159.75

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Double scale
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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.