Home / 760,934.32-1,141,488.96-445,393.96

Finding the Fourth Proportional to 760,934.32, 1,141,488.96 and 445,393.96

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Solution

The fourth proportional to 760,934.32, 1,141,488.96 and 445,393.96 is: 668,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,934.32 : 1,141,488.96 = 445,393.96 : x
  2. Step 2: Convert to fraction form
    760,934.32/1,141,488.96 = 445,393.96/x
  3. Step 3: Cross multiply
    760,934.32x = 1,141,488.96 × 445,393.96
  4. Step 4: Simplify right side
    760,934.32x = 508,412,288,190.68
  5. Step 5: Solve for x
    x = 508,412,288,190.68/760,934.32
  6. Step 6: Final answer
    x = 668,142.14

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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.