Finding the Fourth Proportional to 916,307.35, 1,265,247.06 and 572,543.75
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Solution
The fourth proportional to 916,307.35, 1,265,247.06 and 572,543.75 is: 790,574.58
Step by Step Solution
- Step 1: Write the proportion equation
916,307.35 : 1,265,247.06 = 572,543.75 : x - Step 2: Convert to fraction form
916,307.35/1,265,247.06 = 572,543.75/x - Step 3: Cross multiply
916,307.35x = 1,265,247.06 × 572,543.75 - Step 4: Simplify right side
916,307.35x = 724,409,296,408.88 - Step 5: Solve for x
x = 724,409,296,408.88/916,307.35 - Step 6: Final answer
x = 790,574.58
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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.