Finding the Fourth Proportional to 615,237.80, 921,992.70 and 489,093.80
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Solution
The fourth proportional to 615,237.80, 921,992.70 and 489,093.80 is: 732,953.85
Step by Step Solution
- Step 1: Write the proportion equation
615,237.80 : 921,992.70 = 489,093.80 : x - Step 2: Convert to fraction form
615,237.80/921,992.70 = 489,093.80/x - Step 3: Cross multiply
615,237.80x = 921,992.70 × 489,093.80 - Step 4: Simplify right side
615,237.80x = 450,940,913,215.26 - Step 5: Solve for x
x = 450,940,913,215.26/615,237.80 - Step 6: Final answer
x = 732,953.85
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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.