Finding the Fourth Proportional to 1,435,612.70, 2,153,710.65 and 489,079.10
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Solution
The fourth proportional to 1,435,612.70, 2,153,710.65 and 489,079.10 is: 733,717.99
Step by Step Solution
- Step 1: Write the proportion equation
1,435,612.70 : 2,153,710.65 = 489,079.10 : x - Step 2: Convert to fraction form
1,435,612.70/2,153,710.65 = 489,079.10/x - Step 3: Cross multiply
1,435,612.70x = 2,153,710.65 × 489,079.10 - Step 4: Simplify right side
1,435,612.70x = 1,053,334,866,362.41 - Step 5: Solve for x
x = 1,053,334,866,362.41/1,435,612.70 - Step 6: Final answer
x = 733,717.99
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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.