Finding the Fourth Proportional to 704,377.08, 1,056,526.74 and 515,031.48
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Solution
The fourth proportional to 704,377.08, 1,056,526.74 and 515,031.48 is: 772,518.79
Step by Step Solution
- Step 1: Write the proportion equation
704,377.08 : 1,056,526.74 = 515,031.48 : x - Step 2: Convert to fraction form
704,377.08/1,056,526.74 = 515,031.48/x - Step 3: Cross multiply
704,377.08x = 1,056,526.74 × 515,031.48 - Step 4: Simplify right side
704,377.08x = 544,144,530,561.78 - Step 5: Solve for x
x = 544,144,530,561.78/704,377.08 - Step 6: Final answer
x = 772,518.79
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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.