Finding the Fourth Proportional to 954,318.56, 1,316,948.96 and 518,726.48
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Solution
The fourth proportional to 954,318.56, 1,316,948.96 and 518,726.48 is: 715,836.75
Step by Step Solution
- Step 1: Write the proportion equation
954,318.56 : 1,316,948.96 = 518,726.48 : x - Step 2: Convert to fraction form
954,318.56/1,316,948.96 = 518,726.48/x - Step 3: Cross multiply
954,318.56x = 1,316,948.96 × 518,726.48 - Step 4: Simplify right side
954,318.56x = 683,136,293,072.53 - Step 5: Solve for x
x = 683,136,293,072.53/954,318.56 - Step 6: Final answer
x = 715,836.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.