Finding the Fourth Proportional to 832,470, 1,248,199.35 and 326,424.70
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Solution
The fourth proportional to 832,470, 1,248,199.35 and 326,424.70 is: 489,438.78
Step by Step Solution
- Step 1: Write the proportion equation
832,470 : 1,248,199.35 = 326,424.70 : x - Step 2: Convert to fraction form
832,470/1,248,199.35 = 326,424.70/x - Step 3: Cross multiply
832,470x = 1,248,199.35 × 326,424.70 - Step 4: Simplify right side
832,470x = 407,443,098,363.95 - Step 5: Solve for x
x = 407,443,098,363.95/832,470 - Step 6: Final answer
x = 489,438.78
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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.