Finding the Fourth Proportional to 746,547.18, 1,120,285.16 and 303,315.18
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Solution
The fourth proportional to 746,547.18, 1,120,285.16 and 303,315.18 is: 455,161.45
Step by Step Solution
- Step 1: Write the proportion equation
746,547.18 : 1,120,285.16 = 303,315.18 : x - Step 2: Convert to fraction form
746,547.18/1,120,285.16 = 303,315.18/x - Step 3: Cross multiply
746,547.18x = 1,120,285.16 × 303,315.18 - Step 4: Simplify right side
746,547.18x = 339,799,494,956.73 - Step 5: Solve for x
x = 339,799,494,956.73/746,547.18 - Step 6: Final answer
x = 455,161.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.