Finding the Fourth Proportional to 686,054.74, 1,030,024.74 and 349,321.67
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Solution
The fourth proportional to 686,054.74, 1,030,024.74 and 349,321.67 is: 524,462.47
Step by Step Solution
- Step 1: Write the proportion equation
686,054.74 : 1,030,024.74 = 349,321.67 : x - Step 2: Convert to fraction form
686,054.74/1,030,024.74 = 349,321.67/x - Step 3: Cross multiply
686,054.74x = 1,030,024.74 × 349,321.67 - Step 4: Simplify right side
686,054.74x = 359,809,962,318.12 - Step 5: Solve for x
x = 359,809,962,318.12/686,054.74 - Step 6: Final answer
x = 524,462.47
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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.