Finding the Fourth Proportional to 1,145,470.20, 1,717,767.90 and 346,486.20
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Solution
The fourth proportional to 1,145,470.20, 1,717,767.90 and 346,486.20 is: 519,596.99
Step by Step Solution
- Step 1: Write the proportion equation
1,145,470.20 : 1,717,767.90 = 346,486.20 : x - Step 2: Convert to fraction form
1,145,470.20/1,717,767.90 = 346,486.20/x - Step 3: Cross multiply
1,145,470.20x = 1,717,767.90 × 346,486.20 - Step 4: Simplify right side
1,145,470.20x = 595,182,872,152.98 - Step 5: Solve for x
x = 595,182,872,152.98/1,145,470.20 - Step 6: Final answer
x = 519,596.99
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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.