Finding the Fourth Proportional to 610,236.79, 842,443.64 and 473,965.63
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Solution
The fourth proportional to 610,236.79, 842,443.64 and 473,965.63 is: 654,318.68
Step by Step Solution
- Step 1: Write the proportion equation
610,236.79 : 842,443.64 = 473,965.63 : x - Step 2: Convert to fraction form
610,236.79/842,443.64 = 473,965.63/x - Step 3: Cross multiply
610,236.79x = 842,443.64 × 473,965.63 - Step 4: Simplify right side
610,236.79x = 399,289,327,873.53 - Step 5: Solve for x
x = 399,289,327,873.53/610,236.79 - Step 6: Final answer
x = 654,318.68
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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.