Finding the Fourth Proportional to 689,202.36, 950,959.80 and 402,667.08
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Solution
The fourth proportional to 689,202.36, 950,959.80 and 402,667.08 is: 555,599.09
Step by Step Solution
- Step 1: Write the proportion equation
689,202.36 : 950,959.80 = 402,667.08 : x - Step 2: Convert to fraction form
689,202.36/950,959.80 = 402,667.08/x - Step 3: Cross multiply
689,202.36x = 950,959.80 × 402,667.08 - Step 4: Simplify right side
689,202.36x = 382,920,205,863.38 - Step 5: Solve for x
x = 382,920,205,863.38/689,202.36 - Step 6: Final answer
x = 555,599.09
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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.