Finding the Fourth Proportional to 869,535.68, 1,199,971.06 and 651,357.83
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Solution
The fourth proportional to 869,535.68, 1,199,971.06 and 651,357.83 is: 898,882.67
Step by Step Solution
- Step 1: Write the proportion equation
869,535.68 : 1,199,971.06 = 651,357.83 : x - Step 2: Convert to fraction form
869,535.68/1,199,971.06 = 651,357.83/x - Step 3: Cross multiply
869,535.68x = 1,199,971.06 × 651,357.83 - Step 4: Simplify right side
869,535.68x = 781,610,547,075.93 - Step 5: Solve for x
x = 781,610,547,075.93/869,535.68 - Step 6: Final answer
x = 898,882.67
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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.