Finding the Fourth Proportional to 998,319.94, 1,377,681.48 and 545,610.94
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Solution
The fourth proportional to 998,319.94, 1,377,681.48 and 545,610.94 is: 752,943.08
Step by Step Solution
- Step 1: Write the proportion equation
998,319.94 : 1,377,681.48 = 545,610.94 : x - Step 2: Convert to fraction form
998,319.94/1,377,681.48 = 545,610.94/x - Step 3: Cross multiply
998,319.94x = 1,377,681.48 × 545,610.94 - Step 4: Simplify right side
998,319.94x = 751,678,087,323.39 - Step 5: Solve for x
x = 751,678,087,323.39/998,319.94 - Step 6: Final answer
x = 752,943.08
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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.