Finding the Fourth Proportional to 533,992.28, 736,903.68 and 288,971.66
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Solution
The fourth proportional to 533,992.28, 736,903.68 and 288,971.66 is: 398,777.82
Step by Step Solution
- Step 1: Write the proportion equation
533,992.28 : 736,903.68 = 288,971.66 : x - Step 2: Convert to fraction form
533,992.28/736,903.68 = 288,971.66/x - Step 3: Cross multiply
533,992.28x = 736,903.68 × 288,971.66 - Step 4: Simplify right side
533,992.28x = 212,944,279,669.71 - Step 5: Solve for x
x = 212,944,279,669.71/533,992.28 - Step 6: Final answer
x = 398,777.82
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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.