Finding the Fourth Proportional to 948,552.68, 1,422,831.42 and 387,587.18
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Solution
The fourth proportional to 948,552.68, 1,422,831.42 and 387,587.18 is: 581,381.75
Step by Step Solution
- Step 1: Write the proportion equation
948,552.68 : 1,422,831.42 = 387,587.18 : x - Step 2: Convert to fraction form
948,552.68/1,422,831.42 = 387,587.18/x - Step 3: Cross multiply
948,552.68x = 1,422,831.42 × 387,587.18 - Step 4: Simplify right side
948,552.68x = 551,471,217,693.20 - Step 5: Solve for x
x = 551,471,217,693.20/948,552.68 - Step 6: Final answer
x = 581,381.75
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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.