Finding the Fourth Proportional to 938,637.18, 1,295,329.23 and 551,468.79
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Solution
The fourth proportional to 938,637.18, 1,295,329.23 and 551,468.79 is: 761,032.76
Step by Step Solution
- Step 1: Write the proportion equation
938,637.18 : 1,295,329.23 = 551,468.79 : x - Step 2: Convert to fraction form
938,637.18/1,295,329.23 = 551,468.79/x - Step 3: Cross multiply
938,637.18x = 1,295,329.23 × 551,468.79 - Step 4: Simplify right side
938,637.18x = 714,333,643,119.73 - Step 5: Solve for x
x = 714,333,643,119.73/938,637.18 - Step 6: Final answer
x = 761,032.76
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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.