Finding the Fourth Proportional to 506,376.80, 698,885.91 and 291,641.19
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Solution
The fourth proportional to 506,376.80, 698,885.91 and 291,641.19 is: 402,514.32
Step by Step Solution
- Step 1: Write the proportion equation
506,376.80 : 698,885.91 = 291,641.19 : x - Step 2: Convert to fraction form
506,376.80/698,885.91 = 291,641.19/x - Step 3: Cross multiply
506,376.80x = 698,885.91 × 291,641.19 - Step 4: Simplify right side
506,376.80x = 203,823,914,972.20 - Step 5: Solve for x
x = 203,823,914,972.20/506,376.80 - Step 6: Final answer
x = 402,514.32
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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.