Finding the Fourth Proportional to 1,009,350.99, 1,392,807.56 and 556,612.83
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Solution
The fourth proportional to 1,009,350.99, 1,392,807.56 and 556,612.83 is: 768,072.32
Step by Step Solution
- Step 1: Write the proportion equation
1,009,350.99 : 1,392,807.56 = 556,612.83 : x - Step 2: Convert to fraction form
1,009,350.99/1,392,807.56 = 556,612.83/x - Step 3: Cross multiply
1,009,350.99x = 1,392,807.56 × 556,612.83 - Step 4: Simplify right side
1,009,350.99x = 775,254,554,833.93 - Step 5: Solve for x
x = 775,254,554,833.93/1,009,350.99 - Step 6: Final answer
x = 768,072.32
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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.