Finding the Fourth Proportional to 816,898.95, 1,127,351.63 and 454,349.03
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Solution
The fourth proportional to 816,898.95, 1,127,351.63 and 454,349.03 is: 627,018.94
Step by Step Solution
- Step 1: Write the proportion equation
816,898.95 : 1,127,351.63 = 454,349.03 : x - Step 2: Convert to fraction form
816,898.95/1,127,351.63 = 454,349.03/x - Step 3: Cross multiply
816,898.95x = 1,127,351.63 × 454,349.03 - Step 4: Simplify right side
816,898.95x = 512,211,115,058.53 - Step 5: Solve for x
x = 512,211,115,058.53/816,898.95 - Step 6: Final answer
x = 627,018.94
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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.