Finding the Fourth Proportional to 742,106.02, 1,024,108.27 and 402,574.27
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Solution
The fourth proportional to 742,106.02, 1,024,108.27 and 402,574.27 is: 555,553.55
Step by Step Solution
- Step 1: Write the proportion equation
742,106.02 : 1,024,108.27 = 402,574.27 : x - Step 2: Convert to fraction form
742,106.02/1,024,108.27 = 402,574.27/x - Step 3: Cross multiply
742,106.02x = 1,024,108.27 × 402,574.27 - Step 4: Simplify right side
742,106.02x = 412,279,634,075.67 - Step 5: Solve for x
x = 412,279,634,075.67/742,106.02 - Step 6: Final answer
x = 555,553.55
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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.