Finding the Fourth Proportional to 1,010,975.04, 1,395,145.80 and 558,265.68
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Solution
The fourth proportional to 1,010,975.04, 1,395,145.80 and 558,265.68 is: 770,406.77
Step by Step Solution
- Step 1: Write the proportion equation
1,010,975.04 : 1,395,145.80 = 558,265.68 : x - Step 2: Convert to fraction form
1,010,975.04/1,395,145.80 = 558,265.68/x - Step 3: Cross multiply
1,010,975.04x = 1,395,145.80 × 558,265.68 - Step 4: Simplify right side
1,010,975.04x = 778,862,018,736.14 - Step 5: Solve for x
x = 778,862,018,736.14/1,010,975.04 - Step 6: Final answer
x = 770,406.77
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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.