Finding the Fourth Proportional to 614,010.77, 916,698.91 and 469,158.50
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Solution
The fourth proportional to 614,010.77, 916,698.91 and 469,158.50 is: 700,438.99
Step by Step Solution
- Step 1: Write the proportion equation
614,010.77 : 916,698.91 = 469,158.50 : x - Step 2: Convert to fraction form
614,010.77/916,698.91 = 469,158.50/x - Step 3: Cross multiply
614,010.77x = 916,698.91 × 469,158.50 - Step 4: Simplify right side
614,010.77x = 430,077,085,567.24 - Step 5: Solve for x
x = 430,077,085,567.24/614,010.77 - Step 6: Final answer
x = 700,438.99
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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.