Finding the Fourth Proportional to 915,141.97, 1,373,088.93 and 402,543.19
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Solution
The fourth proportional to 915,141.97, 1,373,088.93 and 402,543.19 is: 603,980.16
Step by Step Solution
- Step 1: Write the proportion equation
915,141.97 : 1,373,088.93 = 402,543.19 : x - Step 2: Convert to fraction form
915,141.97/1,373,088.93 = 402,543.19/x - Step 3: Cross multiply
915,141.97x = 1,373,088.93 × 402,543.19 - Step 4: Simplify right side
915,141.97x = 552,727,598,035.89 - Step 5: Solve for x
x = 552,727,598,035.89/915,141.97 - Step 6: Final answer
x = 603,980.16
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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.