Finding the Fourth Proportional to 648,440.70, 972,430.65 and 293,624.70
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Solution
The fourth proportional to 648,440.70, 972,430.65 and 293,624.70 is: 440,332.72
Step by Step Solution
- Step 1: Write the proportion equation
648,440.70 : 972,430.65 = 293,624.70 : x - Step 2: Convert to fraction form
648,440.70/972,430.65 = 293,624.70/x - Step 3: Cross multiply
648,440.70x = 972,430.65 × 293,624.70 - Step 4: Simplify right side
648,440.70x = 285,529,657,877.06 - Step 5: Solve for x
x = 285,529,657,877.06/648,440.70 - Step 6: Final answer
x = 440,332.72
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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.