Finding the Fourth Proportional to 528,381.60, 791,219.16 and 291,460.92
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Solution
The fourth proportional to 528,381.60, 791,219.16 and 291,460.92 is: 436,444.92
Step by Step Solution
- Step 1: Write the proportion equation
528,381.60 : 791,219.16 = 291,460.92 : x - Step 2: Convert to fraction form
528,381.60/791,219.16 = 291,460.92/x - Step 3: Cross multiply
528,381.60x = 791,219.16 × 291,460.92 - Step 4: Simplify right side
528,381.60x = 230,609,464,295.23 - Step 5: Solve for x
x = 230,609,464,295.23/528,381.60 - Step 6: Final answer
x = 436,444.92
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1.5x scale
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.