Finding the Fourth Proportional to 581,430.36, 802,309.65 and 348,844.95
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Solution
The fourth proportional to 581,430.36, 802,309.65 and 348,844.95 is: 481,367.48
Step by Step Solution
- Step 1: Write the proportion equation
581,430.36 : 802,309.65 = 348,844.95 : x - Step 2: Convert to fraction form
581,430.36/802,309.65 = 348,844.95/x - Step 3: Cross multiply
581,430.36x = 802,309.65 × 348,844.95 - Step 4: Simplify right side
581,430.36x = 279,881,669,738.77 - Step 5: Solve for x
x = 279,881,669,738.77/581,430.36 - Step 6: Final answer
x = 481,367.48
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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.