Finding the Fourth Proportional to 730,562.99, 1,008,089.61 and 403,831.87
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Solution
The fourth proportional to 730,562.99, 1,008,089.61 and 403,831.87 is: 557,239.71
Step by Step Solution
- Step 1: Write the proportion equation
730,562.99 : 1,008,089.61 = 403,831.87 : x - Step 2: Convert to fraction form
730,562.99/1,008,089.61 = 403,831.87/x - Step 3: Cross multiply
730,562.99x = 1,008,089.61 × 403,831.87 - Step 4: Simplify right side
730,562.99x = 407,098,712,333.87 - Step 5: Solve for x
x = 407,098,712,333.87/730,562.99 - Step 6: Final answer
x = 557,239.71
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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.