Finding the Fourth Proportional to 779,129.04, 1,075,193.82 and 434,945.07
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Solution
The fourth proportional to 779,129.04, 1,075,193.82 and 434,945.07 is: 600,221.82
Step by Step Solution
- Step 1: Write the proportion equation
779,129.04 : 1,075,193.82 = 434,945.07 : x - Step 2: Convert to fraction form
779,129.04/1,075,193.82 = 434,945.07/x - Step 3: Cross multiply
779,129.04x = 1,075,193.82 × 434,945.07 - Step 4: Simplify right side
779,129.04x = 467,650,251,303.47 - Step 5: Solve for x
x = 467,650,251,303.47/779,129.04 - Step 6: Final answer
x = 600,221.82
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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.