Finding the Fourth Proportional to 970,074.81, 1,447,525.46 and 869,207.49
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Solution
The fourth proportional to 970,074.81, 1,447,525.46 and 869,207.49 is: 1,297,013.34
Step by Step Solution
- Step 1: Write the proportion equation
970,074.81 : 1,447,525.46 = 869,207.49 : x - Step 2: Convert to fraction form
970,074.81/1,447,525.46 = 869,207.49/x - Step 3: Cross multiply
970,074.81x = 1,447,525.46 × 869,207.49 - Step 4: Simplify right side
970,074.81x = 1,258,199,973,970.71 - Step 5: Solve for x
x = 1,258,199,973,970.71/970,074.81 - Step 6: Final answer
x = 1,297,013.34
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.