Finding the Fourth Proportional to 742,377.84, 1,024,484.12 and 402,846.09
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Solution
The fourth proportional to 742,377.84, 1,024,484.12 and 402,846.09 is: 555,929.07
Step by Step Solution
- Step 1: Write the proportion equation
742,377.84 : 1,024,484.12 = 402,846.09 : x - Step 2: Convert to fraction form
742,377.84/1,024,484.12 = 402,846.09/x - Step 3: Cross multiply
742,377.84x = 1,024,484.12 × 402,846.09 - Step 4: Simplify right side
742,377.84x = 412,709,422,009.09 - Step 5: Solve for x
x = 412,709,422,009.09/742,377.84 - Step 6: Final answer
x = 555,929.07
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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.