Finding the Fourth Proportional to 771,881.28, 1,064,393.10 and 610,480.68
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Solution
The fourth proportional to 771,881.28, 1,064,393.10 and 610,480.68 is: 841,828.19
Step by Step Solution
- Step 1: Write the proportion equation
771,881.28 : 1,064,393.10 = 610,480.68 : x - Step 2: Convert to fraction form
771,881.28/1,064,393.10 = 610,480.68/x - Step 3: Cross multiply
771,881.28x = 1,064,393.10 × 610,480.68 - Step 4: Simplify right side
771,881.28x = 649,791,423,475.31 - Step 5: Solve for x
x = 649,791,423,475.31/771,881.28 - Step 6: Final answer
x = 841,828.19
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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.