Finding the Fourth Proportional to 947,813.84, 1,307,983.16 and 518,095.68
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Solution
The fourth proportional to 947,813.84, 1,307,983.16 and 518,095.68 is: 714,972.07
Step by Step Solution
- Step 1: Write the proportion equation
947,813.84 : 1,307,983.16 = 518,095.68 : x - Step 2: Convert to fraction form
947,813.84/1,307,983.16 = 518,095.68/x - Step 3: Cross multiply
947,813.84x = 1,307,983.16 × 518,095.68 - Step 4: Simplify right side
947,813.84x = 677,660,424,708.75 - Step 5: Solve for x
x = 677,660,424,708.75/947,813.84 - Step 6: Final answer
x = 714,972.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.