Finding the Fourth Proportional to 1,430,350.48, 1,973,903.88 and 785,830.24
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Solution
The fourth proportional to 1,430,350.48, 1,973,903.88 and 785,830.24 is: 1,084,456.84
Step by Step Solution
- Step 1: Write the proportion equation
1,430,350.48 : 1,973,903.88 = 785,830.24 : x - Step 2: Convert to fraction form
1,430,350.48/1,973,903.88 = 785,830.24/x - Step 3: Cross multiply
1,430,350.48x = 1,973,903.88 × 785,830.24 - Step 4: Simplify right side
1,430,350.48x = 1,551,153,359,757.33 - Step 5: Solve for x
x = 1,551,153,359,757.33/1,430,350.48 - Step 6: Final answer
x = 1,084,456.84
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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.