Finding the Fourth Proportional to 977,319.08, 1,348,683.40 and 547,597.88
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Solution
The fourth proportional to 977,319.08, 1,348,683.40 and 547,597.88 is: 755,675.59
Step by Step Solution
- Step 1: Write the proportion equation
977,319.08 : 1,348,683.40 = 547,597.88 : x - Step 2: Convert to fraction form
977,319.08/1,348,683.40 = 547,597.88/x - Step 3: Cross multiply
977,319.08x = 1,348,683.40 × 547,597.88 - Step 4: Simplify right side
977,319.08x = 738,536,170,631.19 - Step 5: Solve for x
x = 738,536,170,631.19/977,319.08 - Step 6: Final answer
x = 755,675.59
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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.