Finding the Fourth Proportional to 805,135.54, 1,111,334.62 and 518,654.74
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Solution
The fourth proportional to 805,135.54, 1,111,334.62 and 518,654.74 is: 715,903.02
Step by Step Solution
- Step 1: Write the proportion equation
805,135.54 : 1,111,334.62 = 518,654.74 : x - Step 2: Convert to fraction form
805,135.54/1,111,334.62 = 518,654.74/x - Step 3: Cross multiply
805,135.54x = 1,111,334.62 × 518,654.74 - Step 4: Simplify right side
805,135.54x = 576,398,968,389.10 - Step 5: Solve for x
x = 576,398,968,389.10/805,135.54 - Step 6: Final answer
x = 715,903.02
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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.