Finding the Fourth Proportional to 669,501.70, 1,005,236.70 and 470,703.40
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Solution
The fourth proportional to 669,501.70, 1,005,236.70 and 470,703.40 is: 706,747.02
Step by Step Solution
- Step 1: Write the proportion equation
669,501.70 : 1,005,236.70 = 470,703.40 : x - Step 2: Convert to fraction form
669,501.70/1,005,236.70 = 470,703.40/x - Step 3: Cross multiply
669,501.70x = 1,005,236.70 × 470,703.40 - Step 4: Simplify right side
669,501.70x = 473,168,332,494.78 - Step 5: Solve for x
x = 473,168,332,494.78/669,501.70 - Step 6: Final answer
x = 706,747.02
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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.