Finding the Fourth Proportional to 955,177.18, 1,318,102.95 and 525,430.06
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Solution
The fourth proportional to 955,177.18, 1,318,102.95 and 525,430.06 is: 725,070.62
Step by Step Solution
- Step 1: Write the proportion equation
955,177.18 : 1,318,102.95 = 525,430.06 : x - Step 2: Convert to fraction form
955,177.18/1,318,102.95 = 525,430.06/x - Step 3: Cross multiply
955,177.18x = 1,318,102.95 × 525,430.06 - Step 4: Simplify right side
955,177.18x = 692,570,912,104.68 - Step 5: Solve for x
x = 692,570,912,104.68/955,177.18 - Step 6: Final answer
x = 725,070.62
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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.