Finding the Fourth Proportional to 998,430.70, 1,497,840.45 and 429,810.70
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Solution
The fourth proportional to 998,430.70, 1,497,840.45 and 429,810.70 is: 644,799.74
Step by Step Solution
- Step 1: Write the proportion equation
998,430.70 : 1,497,840.45 = 429,810.70 : x - Step 2: Convert to fraction form
998,430.70/1,497,840.45 = 429,810.70/x - Step 3: Cross multiply
998,430.70x = 1,497,840.45 × 429,810.70 - Step 4: Simplify right side
998,430.70x = 643,787,852,302.82 - Step 5: Solve for x
x = 643,787,852,302.82/998,430.70 - Step 6: Final answer
x = 644,799.74
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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.