Finding the Fourth Proportional to 875,118.22, 1,312,373.70 and 306,486.76
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Solution
The fourth proportional to 875,118.22, 1,312,373.70 and 306,486.76 is: 459,623.80
Step by Step Solution
- Step 1: Write the proportion equation
875,118.22 : 1,312,373.70 = 306,486.76 : x - Step 2: Convert to fraction form
875,118.22/1,312,373.70 = 306,486.76/x - Step 3: Cross multiply
875,118.22x = 1,312,373.70 × 306,486.76 - Step 4: Simplify right side
875,118.22x = 402,225,163,222.21 - Step 5: Solve for x
x = 402,225,163,222.21/875,118.22 - Step 6: Final answer
x = 459,623.80
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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.