Finding the Fourth Proportional to 878,239.08, 1,211,970.06 and 475,831.08
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Solution
The fourth proportional to 878,239.08, 1,211,970.06 and 475,831.08 is: 656,646.96
Step by Step Solution
- Step 1: Write the proportion equation
878,239.08 : 1,211,970.06 = 475,831.08 : x - Step 2: Convert to fraction form
878,239.08/1,211,970.06 = 475,831.08/x - Step 3: Cross multiply
878,239.08x = 1,211,970.06 × 475,831.08 - Step 4: Simplify right side
878,239.08x = 576,693,022,577.47 - Step 5: Solve for x
x = 576,693,022,577.47/878,239.08 - Step 6: Final answer
x = 656,646.96
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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.