Finding the Fourth Proportional to 954,313.04, 1,316,928.86 and 518,720.05
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Solution
The fourth proportional to 954,313.04, 1,316,928.86 and 518,720.05 is: 715,821.09
Step by Step Solution
- Step 1: Write the proportion equation
954,313.04 : 1,316,928.86 = 518,720.05 : x - Step 2: Convert to fraction form
954,313.04/1,316,928.86 = 518,720.05/x - Step 3: Cross multiply
954,313.04x = 1,316,928.86 × 518,720.05 - Step 4: Simplify right side
954,313.04x = 683,117,397,521.00 - Step 5: Solve for x
x = 683,117,397,521.00/954,313.04 - Step 6: Final answer
x = 715,821.09
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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.