Finding the Fourth Proportional to 817,698.70, 1,226,110.65 and 343,848.70
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Solution
The fourth proportional to 817,698.70, 1,226,110.65 and 343,848.70 is: 515,589.12
Step by Step Solution
- Step 1: Write the proportion equation
817,698.70 : 1,226,110.65 = 343,848.70 : x - Step 2: Convert to fraction form
817,698.70/1,226,110.65 = 343,848.70/x - Step 3: Cross multiply
817,698.70x = 1,226,110.65 × 343,848.70 - Step 4: Simplify right side
817,698.70x = 421,596,553,058.66 - Step 5: Solve for x
x = 421,596,553,058.66/817,698.70 - Step 6: Final answer
x = 515,589.12
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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.