Finding the Fourth Proportional to 581,079.98, 801,985.54 and 484,130.09
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Solution
The fourth proportional to 581,079.98, 801,985.54 and 484,130.09 is: 668,178.81
Step by Step Solution
- Step 1: Write the proportion equation
581,079.98 : 801,985.54 = 484,130.09 : x - Step 2: Convert to fraction form
581,079.98/801,985.54 = 484,130.09/x - Step 3: Cross multiply
581,079.98x = 801,985.54 × 484,130.09 - Step 4: Simplify right side
581,079.98x = 388,265,328,859.30 - Step 5: Solve for x
x = 388,265,328,859.30/581,079.98 - Step 6: Final answer
x = 668,178.81
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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.