Finding the Fourth Proportional to 961,994.80, 1,440,115.38 and 581,764.80
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Solution
The fourth proportional to 961,994.80, 1,440,115.38 and 581,764.80 is: 870,907.45
Step by Step Solution
- Step 1: Write the proportion equation
961,994.80 : 1,440,115.38 = 581,764.80 : x - Step 2: Convert to fraction form
961,994.80/1,440,115.38 = 581,764.80/x - Step 3: Cross multiply
961,994.80x = 1,440,115.38 × 581,764.80 - Step 4: Simplify right side
961,994.80x = 837,808,441,423.06 - Step 5: Solve for x
x = 837,808,441,423.06/961,994.80 - Step 6: Final answer
x = 870,907.45
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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.