Finding the Fourth Proportional to 689,122.62, 951,221.48 and 471,461.45
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Solution
The fourth proportional to 689,122.62, 951,221.48 and 471,461.45 is: 650,775.69
Step by Step Solution
- Step 1: Write the proportion equation
689,122.62 : 951,221.48 = 471,461.45 : x - Step 2: Convert to fraction form
689,122.62/951,221.48 = 471,461.45/x - Step 3: Cross multiply
689,122.62x = 951,221.48 × 471,461.45 - Step 4: Simplify right side
689,122.62x = 448,464,251,118.53 - Step 5: Solve for x
x = 448,464,251,118.53/689,122.62 - Step 6: Final answer
x = 650,775.69
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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.