Finding the Fourth Proportional to 610,115.88, 841,675.14 and 383,886.12
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Solution
The fourth proportional to 610,115.88, 841,675.14 and 383,886.12 is: 529,583.66
Step by Step Solution
- Step 1: Write the proportion equation
610,115.88 : 841,675.14 = 383,886.12 : x - Step 2: Convert to fraction form
610,115.88/841,675.14 = 383,886.12/x - Step 3: Cross multiply
610,115.88x = 841,675.14 × 383,886.12 - Step 4: Simplify right side
610,115.88x = 323,107,403,795.06 - Step 5: Solve for x
x = 323,107,403,795.06/610,115.88 - Step 6: Final answer
x = 529,583.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.