Finding the Fourth Proportional to 748,265.68, 1,032,946.50 and 476,705.92
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Solution
The fourth proportional to 748,265.68, 1,032,946.50 and 476,705.92 is: 658,070.69
Step by Step Solution
- Step 1: Write the proportion equation
748,265.68 : 1,032,946.50 = 476,705.92 : x - Step 2: Convert to fraction form
748,265.68/1,032,946.50 = 476,705.92/x - Step 3: Cross multiply
748,265.68x = 1,032,946.50 × 476,705.92 - Step 4: Simplify right side
748,265.68x = 492,411,711,593.28 - Step 5: Solve for x
x = 492,411,711,593.28/748,265.68 - Step 6: Final answer
x = 658,070.69
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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.