Finding the Fourth Proportional to 609,329.41, 841,750.49 and 486,660.75
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Solution
The fourth proportional to 609,329.41, 841,750.49 and 486,660.75 is: 672,291.40
Step by Step Solution
- Step 1: Write the proportion equation
609,329.41 : 841,750.49 = 486,660.75 : x - Step 2: Convert to fraction form
609,329.41/841,750.49 = 486,660.75/x - Step 3: Cross multiply
609,329.41x = 841,750.49 × 486,660.75 - Step 4: Simplify right side
609,329.41x = 409,646,924,776.27 - Step 5: Solve for x
x = 409,646,924,776.27/609,329.41 - Step 6: Final answer
x = 672,291.40
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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.