Finding the Fourth Proportional to 619,058.78, 854,655.05 and 473,596.55
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Solution
The fourth proportional to 619,058.78, 854,655.05 and 473,596.55 is: 653,834.01
Step by Step Solution
- Step 1: Write the proportion equation
619,058.78 : 854,655.05 = 473,596.55 : x - Step 2: Convert to fraction form
619,058.78/854,655.05 = 473,596.55/x - Step 3: Cross multiply
619,058.78x = 854,655.05 × 473,596.55 - Step 4: Simplify right side
619,058.78x = 404,761,680,030.79 - Step 5: Solve for x
x = 404,761,680,030.79/619,058.78 - Step 6: Final answer
x = 653,834.01
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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.