Finding the Fourth Proportional to 859,903.24, 1,290,373.26 and 299,331.40
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Solution
The fourth proportional to 859,903.24, 1,290,373.26 and 299,331.40 is: 449,177.55
Step by Step Solution
- Step 1: Write the proportion equation
859,903.24 : 1,290,373.26 = 299,331.40 : x - Step 2: Convert to fraction form
859,903.24/1,290,373.26 = 299,331.40/x - Step 3: Cross multiply
859,903.24x = 1,290,373.26 × 299,331.40 - Step 4: Simplify right side
859,903.24x = 386,249,234,438.36 - Step 5: Solve for x
x = 386,249,234,438.36/859,903.24 - Step 6: Final answer
x = 449,177.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.