Finding the Fourth Proportional to 903,296.61, 1,243,420.07 and 780,732.68
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Solution
The fourth proportional to 903,296.61, 1,243,420.07 and 780,732.68 is: 1,074,706.43
Step by Step Solution
- Step 1: Write the proportion equation
903,296.61 : 1,243,420.07 = 780,732.68 : x - Step 2: Convert to fraction form
903,296.61/1,243,420.07 = 780,732.68/x - Step 3: Cross multiply
903,296.61x = 1,243,420.07 × 780,732.68 - Step 4: Simplify right side
903,296.61x = 970,778,673,496.12 - Step 5: Solve for x
x = 970,778,673,496.12/903,296.61 - Step 6: Final answer
x = 1,074,706.43
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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.