Finding the Fourth Proportional to 902,737.12, 1,245,746.64 and 520,754.08
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Solution
The fourth proportional to 902,737.12, 1,245,746.64 and 520,754.08 is: 718,622.99
Step by Step Solution
- Step 1: Write the proportion equation
902,737.12 : 1,245,746.64 = 520,754.08 : x - Step 2: Convert to fraction form
902,737.12/1,245,746.64 = 520,754.08/x - Step 3: Cross multiply
902,737.12x = 1,245,746.64 × 520,754.08 - Step 4: Simplify right side
902,737.12x = 648,727,645,426.29 - Step 5: Solve for x
x = 648,727,645,426.29/902,737.12 - Step 6: Final answer
x = 718,622.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.