Finding the Fourth Proportional to 917,138.08, 1,265,652.99 and 509,240.68
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Solution
The fourth proportional to 917,138.08, 1,265,652.99 and 509,240.68 is: 702,753.49
Step by Step Solution
- Step 1: Write the proportion equation
917,138.08 : 1,265,652.99 = 509,240.68 : x - Step 2: Convert to fraction form
917,138.08/1,265,652.99 = 509,240.68/x - Step 3: Cross multiply
917,138.08x = 1,265,652.99 × 509,240.68 - Step 4: Simplify right side
917,138.08x = 644,521,989,271.63 - Step 5: Solve for x
x = 644,521,989,271.63/917,138.08 - Step 6: Final answer
x = 702,753.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.