Finding the Fourth Proportional to 530,793.48, 731,641.26 and 358,657.68
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Solution
The fourth proportional to 530,793.48, 731,641.26 and 358,657.68 is: 494,370.72
Step by Step Solution
- Step 1: Write the proportion equation
530,793.48 : 731,641.26 = 358,657.68 : x - Step 2: Convert to fraction form
530,793.48/731,641.26 = 358,657.68/x - Step 3: Cross multiply
530,793.48x = 731,641.26 × 358,657.68 - Step 4: Simplify right side
530,793.48x = 262,408,756,903.88 - Step 5: Solve for x
x = 262,408,756,903.88/530,793.48 - Step 6: Final answer
x = 494,370.72
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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.