Finding the Fourth Proportional to 578,558.57, 864,319.36 and 374,492.18
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Solution
The fourth proportional to 578,558.57, 864,319.36 and 374,492.18 is: 559,460.80
Step by Step Solution
- Step 1: Write the proportion equation
578,558.57 : 864,319.36 = 374,492.18 : x - Step 2: Convert to fraction form
578,558.57/864,319.36 = 374,492.18/x - Step 3: Cross multiply
578,558.57x = 864,319.36 × 374,492.18 - Step 4: Simplify right side
578,558.57x = 323,680,841,342.61 - Step 5: Solve for x
x = 323,680,841,342.61/578,558.57 - Step 6: Final answer
x = 559,460.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.