Finding the Fourth Proportional to 943,490.09, 1,413,925.79 and 429,900.09
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Solution
The fourth proportional to 943,490.09, 1,413,925.79 and 429,900.09 is: 644,253.54
Step by Step Solution
- Step 1: Write the proportion equation
943,490.09 : 1,413,925.79 = 429,900.09 : x - Step 2: Convert to fraction form
943,490.09/1,413,925.79 = 429,900.09/x - Step 3: Cross multiply
943,490.09x = 1,413,925.79 × 429,900.09 - Step 4: Simplify right side
943,490.09x = 607,846,824,374.32 - Step 5: Solve for x
x = 607,846,824,374.32/943,490.09 - Step 6: Final answer
x = 644,253.54
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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.