Finding the Fourth Proportional to 763,124.28, 1,052,898.12 and 476,935.08
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Solution
The fourth proportional to 763,124.28, 1,052,898.12 and 476,935.08 is: 658,037.05
Step by Step Solution
- Step 1: Write the proportion equation
763,124.28 : 1,052,898.12 = 476,935.08 : x - Step 2: Convert to fraction form
763,124.28/1,052,898.12 = 476,935.08/x - Step 3: Cross multiply
763,124.28x = 1,052,898.12 × 476,935.08 - Step 4: Simplify right side
763,124.28x = 502,164,049,094.05 - Step 5: Solve for x
x = 502,164,049,094.05/763,124.28 - Step 6: Final answer
x = 658,037.05
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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.