Finding the Fourth Proportional to 741,430.56, 1,106,719.80 and 636,921.12
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Solution
The fourth proportional to 741,430.56, 1,106,719.80 and 636,921.12 is: 950,720.48
Step by Step Solution
- Step 1: Write the proportion equation
741,430.56 : 1,106,719.80 = 636,921.12 : x - Step 2: Convert to fraction form
741,430.56/1,106,719.80 = 636,921.12/x - Step 3: Cross multiply
741,430.56x = 1,106,719.80 × 636,921.12 - Step 4: Simplify right side
741,430.56x = 704,893,214,542.18 - Step 5: Solve for x
x = 704,893,214,542.18/741,430.56 - Step 6: Final answer
x = 950,720.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.