Finding the Fourth Proportional to 651,625.80, 977,438.70 and 607,339.05
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Solution
The fourth proportional to 651,625.80, 977,438.70 and 607,339.05 is: 911,008.58
Step by Step Solution
- Step 1: Write the proportion equation
651,625.80 : 977,438.70 = 607,339.05 : x - Step 2: Convert to fraction form
651,625.80/977,438.70 = 607,339.05/x - Step 3: Cross multiply
651,625.80x = 977,438.70 × 607,339.05 - Step 4: Simplify right side
651,625.80x = 593,636,691,491.24 - Step 5: Solve for x
x = 593,636,691,491.24/651,625.80 - Step 6: Final answer
x = 911,008.58
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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.