Finding the Fourth Proportional to 779,259.83, 1,075,368.35 and 435,101.63
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Solution
The fourth proportional to 779,259.83, 1,075,368.35 and 435,101.63 is: 600,434.54
Step by Step Solution
- Step 1: Write the proportion equation
779,259.83 : 1,075,368.35 = 435,101.63 : x - Step 2: Convert to fraction form
779,259.83/1,075,368.35 = 435,101.63/x - Step 3: Cross multiply
779,259.83x = 1,075,368.35 × 435,101.63 - Step 4: Simplify right side
779,259.83x = 467,894,517,646.32 - Step 5: Solve for x
x = 467,894,517,646.32/779,259.83 - Step 6: Final answer
x = 600,434.54
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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.