Finding the Fourth Proportional to 841,567.80, 1,262,351.70 and 272,947.80
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Solution
The fourth proportional to 841,567.80, 1,262,351.70 and 272,947.80 is: 409,421.70
Step by Step Solution
- Step 1: Write the proportion equation
841,567.80 : 1,262,351.70 = 272,947.80 : x - Step 2: Convert to fraction form
841,567.80/1,262,351.70 = 272,947.80/x - Step 3: Cross multiply
841,567.80x = 1,262,351.70 × 272,947.80 - Step 4: Simplify right side
841,567.80x = 344,556,119,341.26 - Step 5: Solve for x
x = 344,556,119,341.26/841,567.80 - Step 6: Final answer
x = 409,421.70
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1.5x scale
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.