Finding the Fourth Proportional to 1,239,715.53, 1,859,328.47 and 340,925.36
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Solution
The fourth proportional to 1,239,715.53, 1,859,328.47 and 340,925.36 is: 511,320.71
Step by Step Solution
- Step 1: Write the proportion equation
1,239,715.53 : 1,859,328.47 = 340,925.36 : x - Step 2: Convert to fraction form
1,239,715.53/1,859,328.47 = 340,925.36/x - Step 3: Cross multiply
1,239,715.53x = 1,859,328.47 × 340,925.36 - Step 4: Simplify right side
1,239,715.53x = 633,892,219,548.67 - Step 5: Solve for x
x = 633,892,219,548.67/1,239,715.53 - Step 6: Final answer
x = 511,320.71
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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.