Finding the Fourth Proportional to 998,879.74, 1,378,588.90 and 563,386.48
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Solution
The fourth proportional to 998,879.74, 1,378,588.90 and 563,386.48 is: 777,549.41
Step by Step Solution
- Step 1: Write the proportion equation
998,879.74 : 1,378,588.90 = 563,386.48 : x - Step 2: Convert to fraction form
998,879.74/1,378,588.90 = 563,386.48/x - Step 3: Cross multiply
998,879.74x = 1,378,588.90 × 563,386.48 - Step 4: Simplify right side
998,879.74x = 776,678,349,776.08 - Step 5: Solve for x
x = 776,678,349,776.08/998,879.74 - Step 6: Final answer
x = 777,549.41
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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.