Finding the Fourth Proportional to 975,371.99, 1,345,564.24 and 631,318.43
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Solution
The fourth proportional to 975,371.99, 1,345,564.24 and 631,318.43 is: 870,928.75
Step by Step Solution
- Step 1: Write the proportion equation
975,371.99 : 1,345,564.24 = 631,318.43 : x - Step 2: Convert to fraction form
975,371.99/1,345,564.24 = 631,318.43/x - Step 3: Cross multiply
975,371.99x = 1,345,564.24 × 631,318.43 - Step 4: Simplify right side
975,371.99x = 849,479,507,308.54 - Step 5: Solve for x
x = 849,479,507,308.54/975,371.99 - Step 6: Final answer
x = 870,928.75
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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.