Finding the Fourth Proportional to 877,606.17, 1,316,148.42 and 372,159.69
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Solution
The fourth proportional to 877,606.17, 1,316,148.42 and 372,159.69 is: 558,128.92
Step by Step Solution
- Step 1: Write the proportion equation
877,606.17 : 1,316,148.42 = 372,159.69 : x - Step 2: Convert to fraction form
877,606.17/1,316,148.42 = 372,159.69/x - Step 3: Cross multiply
877,606.17x = 1,316,148.42 × 372,159.69 - Step 4: Simplify right side
877,606.17x = 489,817,387,981.19 - Step 5: Solve for x
x = 489,817,387,981.19/877,606.17 - Step 6: Final answer
x = 558,128.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.