Finding the Fourth Proportional to 648,293.08, 971,935.98 and 420,106.66
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Solution
The fourth proportional to 648,293.08, 971,935.98 and 420,106.66 is: 629,833.62
Step by Step Solution
- Step 1: Write the proportion equation
648,293.08 : 971,935.98 = 420,106.66 : x - Step 2: Convert to fraction form
648,293.08/971,935.98 = 420,106.66/x - Step 3: Cross multiply
648,293.08x = 971,935.98 × 420,106.66 - Step 4: Simplify right side
648,293.08x = 408,316,778,291.63 - Step 5: Solve for x
x = 408,316,778,291.63/648,293.08 - Step 6: Final answer
x = 629,833.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.