Finding the Fourth Proportional to 1,257,312.07, 1,886,037.80 and 358,684.70
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Solution
The fourth proportional to 1,257,312.07, 1,886,037.80 and 358,684.70 is: 538,046.94
Step by Step Solution
- Step 1: Write the proportion equation
1,257,312.07 : 1,886,037.80 = 358,684.70 : x - Step 2: Convert to fraction form
1,257,312.07/1,886,037.80 = 358,684.70/x - Step 3: Cross multiply
1,257,312.07x = 1,886,037.80 × 358,684.70 - Step 4: Simplify right side
1,257,312.07x = 676,492,905,403.33 - Step 5: Solve for x
x = 676,492,905,403.33/1,257,312.07 - Step 6: Final answer
x = 538,046.94
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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.