Finding the Fourth Proportional to 689,194.36, 950,948.76 and 402,659.08
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Solution
The fourth proportional to 689,194.36, 950,948.76 and 402,659.08 is: 555,588.05
Step by Step Solution
- Step 1: Write the proportion equation
689,194.36 : 950,948.76 = 402,659.08 : x - Step 2: Convert to fraction form
689,194.36/950,948.76 = 402,659.08/x - Step 3: Cross multiply
689,194.36x = 950,948.76 × 402,659.08 - Step 4: Simplify right side
689,194.36x = 382,908,152,828.74 - Step 5: Solve for x
x = 382,908,152,828.74/689,194.36 - Step 6: Final answer
x = 555,588.05
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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.