Finding the Fourth Proportional to 1,488,572.24, 2,232,858.12 and 437,948.24
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Solution
The fourth proportional to 1,488,572.24, 2,232,858.12 and 437,948.24 is: 656,922.29
Step by Step Solution
- Step 1: Write the proportion equation
1,488,572.24 : 2,232,858.12 = 437,948.24 : x - Step 2: Convert to fraction form
1,488,572.24/2,232,858.12 = 437,948.24/x - Step 3: Cross multiply
1,488,572.24x = 2,232,858.12 × 437,948.24 - Step 4: Simplify right side
1,488,572.24x = 977,876,283,823.71 - Step 5: Solve for x
x = 977,876,283,823.71/1,488,572.24 - Step 6: Final answer
x = 656,922.29
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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.