Finding the Fourth Proportional to 609,708.23, 841,385.97 and 368,000.99
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Solution
The fourth proportional to 609,708.23, 841,385.97 and 368,000.99 is: 507,834.49
Step by Step Solution
- Step 1: Write the proportion equation
609,708.23 : 841,385.97 = 368,000.99 : x - Step 2: Convert to fraction form
609,708.23/841,385.97 = 368,000.99/x - Step 3: Cross multiply
609,708.23x = 841,385.97 × 368,000.99 - Step 4: Simplify right side
609,708.23x = 309,630,865,725.18 - Step 5: Solve for x
x = 309,630,865,725.18/609,708.23 - Step 6: Final answer
x = 507,834.49
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1.5x scale
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.