Finding the Fourth Proportional to 564,117.73, 778,502.70 and 309,476.41
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Solution
The fourth proportional to 564,117.73, 778,502.70 and 309,476.41 is: 427,088.55
Step by Step Solution
- Step 1: Write the proportion equation
564,117.73 : 778,502.70 = 309,476.41 : x - Step 2: Convert to fraction form
564,117.73/778,502.70 = 309,476.41/x - Step 3: Cross multiply
564,117.73x = 778,502.70 × 309,476.41 - Step 4: Simplify right side
564,117.73x = 240,928,220,771.31 - Step 5: Solve for x
x = 240,928,220,771.31/564,117.73 - Step 6: Final answer
x = 427,088.55
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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.