Finding the Fourth Proportional to 974,373.84, 1,343,412.36 and 745,212.24
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Solution
The fourth proportional to 974,373.84, 1,343,412.36 and 745,212.24 is: 1,027,457.11
Step by Step Solution
- Step 1: Write the proportion equation
974,373.84 : 1,343,412.36 = 745,212.24 : x - Step 2: Convert to fraction form
974,373.84/1,343,412.36 = 745,212.24/x - Step 3: Cross multiply
974,373.84x = 1,343,412.36 × 745,212.24 - Step 4: Simplify right side
974,373.84x = 1,001,127,334,039.29 - Step 5: Solve for x
x = 1,001,127,334,039.29/974,373.84 - Step 6: Final answer
x = 1,027,457.11
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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.