Finding the Fourth Proportional to 578,733.96, 867,051.18 and 427,306.08
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Solution
The fourth proportional to 578,733.96, 867,051.18 and 427,306.08 is: 640,184.03
Step by Step Solution
- Step 1: Write the proportion equation
578,733.96 : 867,051.18 = 427,306.08 : x - Step 2: Convert to fraction form
578,733.96/867,051.18 = 427,306.08/x - Step 3: Cross multiply
578,733.96x = 867,051.18 × 427,306.08 - Step 4: Simplify right side
578,733.96x = 370,496,240,885.17 - Step 5: Solve for x
x = 370,496,240,885.17/578,733.96 - Step 6: Final answer
x = 640,184.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.