Finding the Fourth Proportional to 1,515,248.71, 2,272,817.68 and 450,263.09
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Solution
The fourth proportional to 1,515,248.71, 2,272,817.68 and 450,263.09 is: 675,378.18
Step by Step Solution
- Step 1: Write the proportion equation
1,515,248.71 : 2,272,817.68 = 450,263.09 : x - Step 2: Convert to fraction form
1,515,248.71/2,272,817.68 = 450,263.09/x - Step 3: Cross multiply
1,515,248.71x = 2,272,817.68 × 450,263.09 - Step 4: Simplify right side
1,515,248.71x = 1,023,365,911,603.43 - Step 5: Solve for x
x = 1,023,365,911,603.43/1,515,248.71 - Step 6: Final answer
x = 675,378.18
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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.