Finding the Fourth Proportional to 905,473.08, 1,249,457.40 and 523,622.88
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Solution
The fourth proportional to 905,473.08, 1,249,457.40 and 523,622.88 is: 722,544.38
Step by Step Solution
- Step 1: Write the proportion equation
905,473.08 : 1,249,457.40 = 523,622.88 : x - Step 2: Convert to fraction form
905,473.08/1,249,457.40 = 523,622.88/x - Step 3: Cross multiply
905,473.08x = 1,249,457.40 × 523,622.88 - Step 4: Simplify right side
905,473.08x = 654,244,482,225.31 - Step 5: Solve for x
x = 654,244,482,225.31/905,473.08 - Step 6: Final answer
x = 722,544.38
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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.