Finding the Fourth Proportional to 817,174.98, 1,127,737.86 and 680,980.92
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Solution
The fourth proportional to 817,174.98, 1,127,737.86 and 680,980.92 is: 939,783.99
Step by Step Solution
- Step 1: Write the proportion equation
817,174.98 : 1,127,737.86 = 680,980.92 : x - Step 2: Convert to fraction form
817,174.98/1,127,737.86 = 680,980.92/x - Step 3: Cross multiply
817,174.98x = 1,127,737.86 × 680,980.92 - Step 4: Simplify right side
817,174.98x = 767,967,965,421.63 - Step 5: Solve for x
x = 767,967,965,421.63/817,174.98 - Step 6: Final answer
x = 939,783.99
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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.