Finding the Fourth Proportional to 654,659.74, 903,554.45 and 409,758.06
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Solution
The fourth proportional to 654,659.74, 903,554.45 and 409,758.06 is: 565,543.74
Step by Step Solution
- Step 1: Write the proportion equation
654,659.74 : 903,554.45 = 409,758.06 : x - Step 2: Convert to fraction form
654,659.74/903,554.45 = 409,758.06/x - Step 3: Cross multiply
654,659.74x = 903,554.45 × 409,758.06 - Step 4: Simplify right side
654,659.74x = 370,238,719,560.76 - Step 5: Solve for x
x = 370,238,719,560.76/654,659.74 - Step 6: Final answer
x = 565,543.74
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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.