Finding the Fourth Proportional to 564,916.12, 779,258.82 and 338,430.40
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Solution
The fourth proportional to 564,916.12, 779,258.82 and 338,430.40 is: 466,839.00
Step by Step Solution
- Step 1: Write the proportion equation
564,916.12 : 779,258.82 = 338,430.40 : x - Step 2: Convert to fraction form
564,916.12/779,258.82 = 338,430.40/x - Step 3: Cross multiply
564,916.12x = 779,258.82 × 338,430.40 - Step 4: Simplify right side
564,916.12x = 263,724,874,156.13 - Step 5: Solve for x
x = 263,724,874,156.13/564,916.12 - Step 6: Final answer
x = 466,839.00
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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.