Finding the Fourth Proportional to 1,234,985.49, 1,852,219.02 and 348,314.13
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Solution
The fourth proportional to 1,234,985.49, 1,852,219.02 and 348,314.13 is: 522,398.09
Step by Step Solution
- Step 1: Write the proportion equation
1,234,985.49 : 1,852,219.02 = 348,314.13 : x - Step 2: Convert to fraction form
1,234,985.49/1,852,219.02 = 348,314.13/x - Step 3: Cross multiply
1,234,985.49x = 1,852,219.02 × 348,314.13 - Step 4: Simplify right side
1,234,985.49x = 645,154,056,520.75 - Step 5: Solve for x
x = 645,154,056,520.75/1,234,985.49 - Step 6: Final answer
x = 522,398.09
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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.