Finding the Fourth Proportional to 579,367.83, 799,369.11 and 346,701.09
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Solution
The fourth proportional to 579,367.83, 799,369.11 and 346,701.09 is: 478,352.66
Step by Step Solution
- Step 1: Write the proportion equation
579,367.83 : 799,369.11 = 346,701.09 : x - Step 2: Convert to fraction form
579,367.83/799,369.11 = 346,701.09/x - Step 3: Cross multiply
579,367.83x = 799,369.11 × 346,701.09 - Step 4: Simplify right side
579,367.83x = 277,142,141,749.33 - Step 5: Solve for x
x = 277,142,141,749.33/579,367.83 - Step 6: Final answer
x = 478,352.66
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Half scale
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Double scale
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Similar ratio
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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.