Finding the Fourth Proportional to 891,838.23, 1,230,386.40 and 509,659.98
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Solution
The fourth proportional to 891,838.23, 1,230,386.40 and 509,659.98 is: 703,130.55
Step by Step Solution
- Step 1: Write the proportion equation
891,838.23 : 1,230,386.40 = 509,659.98 : x - Step 2: Convert to fraction form
891,838.23/1,230,386.40 = 509,659.98/x - Step 3: Cross multiply
891,838.23x = 1,230,386.40 × 509,659.98 - Step 4: Simplify right side
891,838.23x = 627,078,708,016.27 - Step 5: Solve for x
x = 627,078,708,016.27/891,838.23 - Step 6: Final answer
x = 703,130.55
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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.