Finding the Fourth Proportional to 985,970.19, 1,360,638.96 and 533,261.19
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Solution
The fourth proportional to 985,970.19, 1,360,638.96 and 533,261.19 is: 735,900.50
Step by Step Solution
- Step 1: Write the proportion equation
985,970.19 : 1,360,638.96 = 533,261.19 : x - Step 2: Convert to fraction form
985,970.19/1,360,638.96 = 533,261.19/x - Step 3: Cross multiply
985,970.19x = 1,360,638.96 × 533,261.19 - Step 4: Simplify right side
985,970.19x = 725,575,950,969.96 - Step 5: Solve for x
x = 725,575,950,969.96/985,970.19 - Step 6: Final answer
x = 735,900.50
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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.