Finding the Fourth Proportional to 573,409.83, 791,325.87 and 315,306.42
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Solution
The fourth proportional to 573,409.83, 791,325.87 and 315,306.42 is: 435,134.02
Step by Step Solution
- Step 1: Write the proportion equation
573,409.83 : 791,325.87 = 315,306.42 : x - Step 2: Convert to fraction form
573,409.83/791,325.87 = 315,306.42/x - Step 3: Cross multiply
573,409.83x = 791,325.87 × 315,306.42 - Step 4: Simplify right side
573,409.83x = 249,510,127,123.09 - Step 5: Solve for x
x = 249,510,127,123.09/573,409.83 - Step 6: Final answer
x = 435,134.02
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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.