Finding the Fourth Proportional to 633,353.04, 873,994.68 and 346,817.70
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Solution
The fourth proportional to 633,353.04, 873,994.68 and 346,817.70 is: 478,590.62
Step by Step Solution
- Step 1: Write the proportion equation
633,353.04 : 873,994.68 = 346,817.70 : x - Step 2: Convert to fraction form
633,353.04/873,994.68 = 346,817.70/x - Step 3: Cross multiply
633,353.04x = 873,994.68 × 346,817.70 - Step 4: Simplify right side
633,353.04x = 303,116,824,729.84 - Step 5: Solve for x
x = 303,116,824,729.84/633,353.04 - Step 6: Final answer
x = 478,590.62
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1.5x scale
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.