Finding the Fourth Proportional to 815,614.72, 1,125,533.28 and 453,024.16
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Solution
The fourth proportional to 815,614.72, 1,125,533.28 and 453,024.16 is: 625,164.99
Step by Step Solution
- Step 1: Write the proportion equation
815,614.72 : 1,125,533.28 = 453,024.16 : x - Step 2: Convert to fraction form
815,614.72/1,125,533.28 = 453,024.16/x - Step 3: Cross multiply
815,614.72x = 1,125,533.28 × 453,024.16 - Step 4: Simplify right side
815,614.72x = 509,893,768,724.05 - Step 5: Solve for x
x = 509,893,768,724.05/815,614.72 - Step 6: Final answer
x = 625,164.99
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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.