Finding the Fourth Proportional to 748,878.95, 1,034,305.11 and 503,437.40
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Solution
The fourth proportional to 748,878.95, 1,034,305.11 and 503,437.40 is: 695,316.48
Step by Step Solution
- Step 1: Write the proportion equation
748,878.95 : 1,034,305.11 = 503,437.40 : x - Step 2: Convert to fraction form
748,878.95/1,034,305.11 = 503,437.40/x - Step 3: Cross multiply
748,878.95x = 1,034,305.11 × 503,437.40 - Step 4: Simplify right side
748,878.95x = 520,707,872,867.93 - Step 5: Solve for x
x = 520,707,872,867.93/748,878.95 - Step 6: Final answer
x = 695,316.48
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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.