Finding the Fourth Proportional to 829,720.72, 1,145,037.63 and 507,424.96
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Solution
The fourth proportional to 829,720.72, 1,145,037.63 and 507,424.96 is: 700,260.53
Step by Step Solution
- Step 1: Write the proportion equation
829,720.72 : 1,145,037.63 = 507,424.96 : x - Step 2: Convert to fraction form
829,720.72/1,145,037.63 = 507,424.96/x - Step 3: Cross multiply
829,720.72x = 1,145,037.63 × 507,424.96 - Step 4: Simplify right side
829,720.72x = 581,020,673,601.25 - Step 5: Solve for x
x = 581,020,673,601.25/829,720.72 - Step 6: Final answer
x = 700,260.53
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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.