Finding the Fourth Proportional to 788,780.88, 1,088,740.62 and 466,603.02
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Solution
The fourth proportional to 788,780.88, 1,088,740.62 and 466,603.02 is: 644,044.09
Step by Step Solution
- Step 1: Write the proportion equation
788,780.88 : 1,088,740.62 = 466,603.02 : x - Step 2: Convert to fraction form
788,780.88/1,088,740.62 = 466,603.02/x - Step 3: Cross multiply
788,780.88x = 1,088,740.62 × 466,603.02 - Step 4: Simplify right side
788,780.88x = 508,009,661,288.67 - Step 5: Solve for x
x = 508,009,661,288.67/788,780.88 - Step 6: Final answer
x = 644,044.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.