Finding the Fourth Proportional to 887,498.12, 1,224,748.02 and 485,090.12
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Solution
The fourth proportional to 887,498.12, 1,224,748.02 and 485,090.12 is: 669,424.70
Step by Step Solution
- Step 1: Write the proportion equation
887,498.12 : 1,224,748.02 = 485,090.12 : x - Step 2: Convert to fraction form
887,498.12/1,224,748.02 = 485,090.12/x - Step 3: Cross multiply
887,498.12x = 1,224,748.02 × 485,090.12 - Step 4: Simplify right side
887,498.12x = 594,113,163,991.56 - Step 5: Solve for x
x = 594,113,163,991.56/887,498.12 - Step 6: Final answer
x = 669,424.70
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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.