Finding the Fourth Proportional to 831,987.15, 1,148,842.13 and 526,602.26
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Solution
The fourth proportional to 831,987.15, 1,148,842.13 and 526,602.26 is: 727,154.09
Step by Step Solution
- Step 1: Write the proportion equation
831,987.15 : 1,148,842.13 = 526,602.26 : x - Step 2: Convert to fraction form
831,987.15/1,148,842.13 = 526,602.26/x - Step 3: Cross multiply
831,987.15x = 1,148,842.13 × 526,602.26 - Step 4: Simplify right side
831,987.15x = 604,982,862,041.21 - Step 5: Solve for x
x = 604,982,862,041.21/831,987.15 - Step 6: Final answer
x = 727,154.09
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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.