Finding the Fourth Proportional to 831,307.08, 1,247,842.14 and 675,417.48
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Solution
The fourth proportional to 831,307.08, 1,247,842.14 and 675,417.48 is: 1,013,842.43
Step by Step Solution
- Step 1: Write the proportion equation
831,307.08 : 1,247,842.14 = 675,417.48 : x - Step 2: Convert to fraction form
831,307.08/1,247,842.14 = 675,417.48/x - Step 3: Cross multiply
831,307.08x = 1,247,842.14 × 675,417.48 - Step 4: Simplify right side
831,307.08x = 842,814,393,636.61 - Step 5: Solve for x
x = 842,814,393,636.61/831,307.08 - Step 6: Final answer
x = 1,013,842.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.