Finding the Fourth Proportional to 930,041.40, 1,394,707.98 and 551,069.07
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Solution
The fourth proportional to 930,041.40, 1,394,707.98 and 551,069.07 is: 826,393.78
Step by Step Solution
- Step 1: Write the proportion equation
930,041.40 : 1,394,707.98 = 551,069.07 : x - Step 2: Convert to fraction form
930,041.40/1,394,707.98 = 551,069.07/x - Step 3: Cross multiply
930,041.40x = 1,394,707.98 × 551,069.07 - Step 4: Simplify right side
930,041.40x = 768,580,429,460.18 - Step 5: Solve for x
x = 768,580,429,460.18/930,041.40 - Step 6: Final answer
x = 826,393.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.