Finding the Fourth Proportional to 778,740, 1,073,687.58 and 649,864.14
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Solution
The fourth proportional to 778,740, 1,073,687.58 and 649,864.14 is: 896,000.02
Step by Step Solution
- Step 1: Write the proportion equation
778,740 : 1,073,687.58 = 649,864.14 : x - Step 2: Convert to fraction form
778,740/1,073,687.58 = 649,864.14/x - Step 3: Cross multiply
778,740x = 1,073,687.58 × 649,864.14 - Step 4: Simplify right side
778,740x = 697,751,055,805.38 - Step 5: Solve for x
x = 697,751,055,805.38/778,740 - Step 6: Final answer
x = 896,000.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.