Finding the Fourth Proportional to 998,536.60, 1,497,804.90 and 288,587.80
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Solution
The fourth proportional to 998,536.60, 1,497,804.90 and 288,587.80 is: 432,881.70
Step by Step Solution
- Step 1: Write the proportion equation
998,536.60 : 1,497,804.90 = 288,587.80 : x - Step 2: Convert to fraction form
998,536.60/1,497,804.90 = 288,587.80/x - Step 3: Cross multiply
998,536.60x = 1,497,804.90 × 288,587.80 - Step 4: Simplify right side
998,536.60x = 432,248,220,920.22 - Step 5: Solve for x
x = 432,248,220,920.22/998,536.60 - Step 6: Final answer
x = 432,881.70
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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.