Finding the Fourth Proportional to 997,461.12, 1,376,501.40 and 544,752.12
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Solution
The fourth proportional to 997,461.12, 1,376,501.40 and 544,752.12 is: 751,760.69
Step by Step Solution
- Step 1: Write the proportion equation
997,461.12 : 1,376,501.40 = 544,752.12 : x - Step 2: Convert to fraction form
997,461.12/1,376,501.40 = 544,752.12/x - Step 3: Cross multiply
997,461.12x = 1,376,501.40 × 544,752.12 - Step 4: Simplify right side
997,461.12x = 749,852,055,832.97 - Step 5: Solve for x
x = 749,852,055,832.97/997,461.12 - Step 6: Final answer
x = 751,760.69
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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.