Finding the Fourth Proportional to 936,878.00, 1,405,106.80 and 430,953.11
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Solution
The fourth proportional to 936,878.00, 1,405,106.80 and 430,953.11 is: 646,332.98
Step by Step Solution
- Step 1: Write the proportion equation
936,878.00 : 1,405,106.80 = 430,953.11 : x - Step 2: Convert to fraction form
936,878.00/1,405,106.80 = 430,953.11/x - Step 3: Cross multiply
936,878.00x = 1,405,106.80 × 430,953.11 - Step 4: Simplify right side
936,878.00x = 605,535,142,508.38 - Step 5: Solve for x
x = 605,535,142,508.38/936,878.00 - Step 6: Final answer
x = 646,332.98
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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.