Finding the Fourth Proportional to 828,577.68, 1,143,265.77 and 484,347.12
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Solution
The fourth proportional to 828,577.68, 1,143,265.77 and 484,347.12 is: 668,298.82
Step by Step Solution
- Step 1: Write the proportion equation
828,577.68 : 1,143,265.77 = 484,347.12 : x - Step 2: Convert to fraction form
828,577.68/1,143,265.77 = 484,347.12/x - Step 3: Cross multiply
828,577.68x = 1,143,265.77 × 484,347.12 - Step 4: Simplify right side
828,577.68x = 553,737,483,094.08 - Step 5: Solve for x
x = 553,737,483,094.08/828,577.68 - Step 6: Final answer
x = 668,298.82
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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.