Finding the Fourth Proportional to 533,316.80, 735,987.84 and 291,614.48
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Solution
The fourth proportional to 533,316.80, 735,987.84 and 291,614.48 is: 402,433.81
Step by Step Solution
- Step 1: Write the proportion equation
533,316.80 : 735,987.84 = 291,614.48 : x - Step 2: Convert to fraction form
533,316.80/735,987.84 = 291,614.48/x - Step 3: Cross multiply
533,316.80x = 735,987.84 × 291,614.48 - Step 4: Simplify right side
533,316.80x = 214,624,711,247.92 - Step 5: Solve for x
x = 214,624,711,247.92/533,316.80 - Step 6: Final answer
x = 402,433.81
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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.