Finding the Fourth Proportional to 998,058.60, 1,497,282.30 and 288,109.80
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Solution
The fourth proportional to 998,058.60, 1,497,282.30 and 288,109.80 is: 432,220.82
Step by Step Solution
- Step 1: Write the proportion equation
998,058.60 : 1,497,282.30 = 288,109.80 : x - Step 2: Convert to fraction form
998,058.60/1,497,282.30 = 288,109.80/x - Step 3: Cross multiply
998,058.60x = 1,497,282.30 × 288,109.80 - Step 4: Simplify right side
998,058.60x = 431,381,703,996.54 - Step 5: Solve for x
x = 431,381,703,996.54/998,058.60 - Step 6: Final answer
x = 432,220.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.