Finding the Fourth Proportional to 698,331.54, 963,670.41 and 426,853.98
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Solution
The fourth proportional to 698,331.54, 963,670.41 and 426,853.98 is: 589,041.92
Step by Step Solution
- Step 1: Write the proportion equation
698,331.54 : 963,670.41 = 426,853.98 : x - Step 2: Convert to fraction form
698,331.54/963,670.41 = 426,853.98/x - Step 3: Cross multiply
698,331.54x = 963,670.41 × 426,853.98 - Step 4: Simplify right side
698,331.54x = 411,346,549,916.73 - Step 5: Solve for x
x = 411,346,549,916.73/698,331.54 - Step 6: Final answer
x = 589,041.92
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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.