Finding the Fourth Proportional to 664,953.80, 997,430.70 and 507,489.80
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Solution
The fourth proportional to 664,953.80, 997,430.70 and 507,489.80 is: 761,234.70
Step by Step Solution
- Step 1: Write the proportion equation
664,953.80 : 997,430.70 = 507,489.80 : x - Step 2: Convert to fraction form
664,953.80/997,430.70 = 507,489.80/x - Step 3: Cross multiply
664,953.80x = 997,430.70 × 507,489.80 - Step 4: Simplify right side
664,953.80x = 506,185,906,456.86 - Step 5: Solve for x
x = 506,185,906,456.86/664,953.80 - Step 6: Final answer
x = 761,234.70
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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.