Finding the Fourth Proportional to 817,945.20, 1,129,207.08 and 573,679.92
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Solution
The fourth proportional to 817,945.20, 1,129,207.08 and 573,679.92 is: 791,988.79
Step by Step Solution
- Step 1: Write the proportion equation
817,945.20 : 1,129,207.08 = 573,679.92 : x - Step 2: Convert to fraction form
817,945.20/1,129,207.08 = 573,679.92/x - Step 3: Cross multiply
817,945.20x = 1,129,207.08 × 573,679.92 - Step 4: Simplify right side
817,945.20x = 647,803,427,317.83 - Step 5: Solve for x
x = 647,803,427,317.83/817,945.20 - Step 6: Final answer
x = 791,988.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.