Finding the Fourth Proportional to 708,438.98, 1,062,412.43 and 235,013.63
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Solution
The fourth proportional to 708,438.98, 1,062,412.43 and 235,013.63 is: 352,438.81
Step by Step Solution
- Step 1: Write the proportion equation
708,438.98 : 1,062,412.43 = 235,013.63 : x - Step 2: Convert to fraction form
708,438.98/1,062,412.43 = 235,013.63/x - Step 3: Cross multiply
708,438.98x = 1,062,412.43 × 235,013.63 - Step 4: Simplify right side
708,438.98x = 249,681,395,244.29 - Step 5: Solve for x
x = 249,681,395,244.29/708,438.98 - Step 6: Final answer
x = 352,438.81
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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.