Finding the Fourth Proportional to 671,569.23, 926,718.69 and 381,186.75
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Solution
The fourth proportional to 671,569.23, 926,718.69 and 381,186.75 is: 526,011.12
Step by Step Solution
- Step 1: Write the proportion equation
671,569.23 : 926,718.69 = 381,186.75 : x - Step 2: Convert to fraction form
671,569.23/926,718.69 = 381,186.75/x - Step 3: Cross multiply
671,569.23x = 926,718.69 × 381,186.75 - Step 4: Simplify right side
671,569.23x = 353,252,885,605.36 - Step 5: Solve for x
x = 353,252,885,605.36/671,569.23 - Step 6: Final answer
x = 526,011.12
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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.