Finding the Fourth Proportional to 606,905.10, 910,248.30 and 381,862.80
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Solution
The fourth proportional to 606,905.10, 910,248.30 and 381,862.80 is: 572,725.40
Step by Step Solution
- Step 1: Write the proportion equation
606,905.10 : 910,248.30 = 381,862.80 : x - Step 2: Convert to fraction form
606,905.10/910,248.30 = 381,862.80/x - Step 3: Cross multiply
606,905.10x = 910,248.30 × 381,862.80 - Step 4: Simplify right side
606,905.10x = 347,589,964,533.24 - Step 5: Solve for x
x = 347,589,964,533.24/606,905.10 - Step 6: Final answer
x = 572,725.40
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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.