Finding the Fourth Proportional to 1,492,930.78, 2,239,027.08 and 639,905.70
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Solution
The fourth proportional to 1,492,930.78, 2,239,027.08 and 639,905.70 is: 959,700.35
Step by Step Solution
- Step 1: Write the proportion equation
1,492,930.78 : 2,239,027.08 = 639,905.70 : x - Step 2: Convert to fraction form
1,492,930.78/2,239,027.08 = 639,905.70/x - Step 3: Cross multiply
1,492,930.78x = 2,239,027.08 × 639,905.70 - Step 4: Simplify right side
1,492,930.78x = 1,432,766,190,946.36 - Step 5: Solve for x
x = 1,432,766,190,946.36/1,492,930.78 - Step 6: Final answer
x = 959,700.35
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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.