Finding the Fourth Proportional to 929,557.80, 1,282,460.78 and 607,454.62
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Solution
The fourth proportional to 929,557.80, 1,282,460.78 and 607,454.62 is: 838,072.39
Step by Step Solution
- Step 1: Write the proportion equation
929,557.80 : 1,282,460.78 = 607,454.62 : x - Step 2: Convert to fraction form
929,557.80/1,282,460.78 = 607,454.62/x - Step 3: Cross multiply
929,557.80x = 1,282,460.78 × 607,454.62 - Step 4: Simplify right side
929,557.80x = 779,036,725,779.80 - Step 5: Solve for x
x = 779,036,725,779.80/929,557.80 - Step 6: Final answer
x = 838,072.39
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1.5x scale
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.