Finding the Fourth Proportional to 530,408.96, 732,235.20 and 409,278.08
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Solution
The fourth proportional to 530,408.96, 732,235.20 and 409,278.08 is: 565,012.73
Step by Step Solution
- Step 1: Write the proportion equation
530,408.96 : 732,235.20 = 409,278.08 : x - Step 2: Convert to fraction form
530,408.96/732,235.20 = 409,278.08/x - Step 3: Cross multiply
530,408.96x = 732,235.20 × 409,278.08 - Step 4: Simplify right side
530,408.96x = 299,687,816,764.42 - Step 5: Solve for x
x = 299,687,816,764.42/530,408.96 - Step 6: Final answer
x = 565,012.73
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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.