Finding the Fourth Proportional to 884,385.84, 1,326,252.36 and 315,614.76
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Solution
The fourth proportional to 884,385.84, 1,326,252.36 and 315,614.76 is: 473,305.66
Step by Step Solution
- Step 1: Write the proportion equation
884,385.84 : 1,326,252.36 = 315,614.76 : x - Step 2: Convert to fraction form
884,385.84/1,326,252.36 = 315,614.76/x - Step 3: Cross multiply
884,385.84x = 1,326,252.36 × 315,614.76 - Step 4: Simplify right side
884,385.84x = 418,584,820,300.83 - Step 5: Solve for x
x = 418,584,820,300.83/884,385.84 - Step 6: Final answer
x = 473,305.66
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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.