Finding the Fourth Proportional to 929,970.96, 1,283,029.44 and 607,866.72
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Solution
The fourth proportional to 929,970.96, 1,283,029.44 and 607,866.72 is: 838,640.06
Step by Step Solution
- Step 1: Write the proportion equation
929,970.96 : 1,283,029.44 = 607,866.72 : x - Step 2: Convert to fraction form
929,970.96/1,283,029.44 = 607,866.72/x - Step 3: Cross multiply
929,970.96x = 1,283,029.44 × 607,866.72 - Step 4: Simplify right side
929,970.96x = 779,910,897,356.24 - Step 5: Solve for x
x = 779,910,897,356.24/929,970.96 - Step 6: Final answer
x = 838,640.06
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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.