Finding the Fourth Proportional to 648,420.21, 895,009.93 and 376,610.28
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Solution
The fourth proportional to 648,420.21, 895,009.93 and 376,610.28 is: 519,832.57
Step by Step Solution
- Step 1: Write the proportion equation
648,420.21 : 895,009.93 = 376,610.28 : x - Step 2: Convert to fraction form
648,420.21/895,009.93 = 376,610.28/x - Step 3: Cross multiply
648,420.21x = 895,009.93 × 376,610.28 - Step 4: Simplify right side
648,420.21x = 337,069,944,653.13 - Step 5: Solve for x
x = 337,069,944,653.13/648,420.21 - Step 6: Final answer
x = 519,832.57
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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.