Finding the Fourth Proportional to 905,929.12, 1,359,057.12 and 373,159.36
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Solution
The fourth proportional to 905,929.12, 1,359,057.12 and 373,159.36 is: 559,806.36
Step by Step Solution
- Step 1: Write the proportion equation
905,929.12 : 1,359,057.12 = 373,159.36 : x - Step 2: Convert to fraction form
905,929.12/1,359,057.12 = 373,159.36/x - Step 3: Cross multiply
905,929.12x = 1,359,057.12 × 373,159.36 - Step 4: Simplify right side
905,929.12x = 507,144,885,102.64 - Step 5: Solve for x
x = 507,144,885,102.64/905,929.12 - Step 6: Final answer
x = 559,806.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.