Finding the Fourth Proportional to 978,115.84, 1,349,732.28 and 542,492.08
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Solution
The fourth proportional to 978,115.84, 1,349,732.28 and 542,492.08 is: 748,601.59
Step by Step Solution
- Step 1: Write the proportion equation
978,115.84 : 1,349,732.28 = 542,492.08 : x - Step 2: Convert to fraction form
978,115.84/1,349,732.28 = 542,492.08/x - Step 3: Cross multiply
978,115.84x = 1,349,732.28 × 542,492.08 - Step 4: Simplify right side
978,115.84x = 732,219,072,020.34 - Step 5: Solve for x
x = 732,219,072,020.34/978,115.84 - Step 6: Final answer
x = 748,601.59
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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.