Finding the Fourth Proportional to 970,069.06, 1,447,516.90 and 869,201.74
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Solution
The fourth proportional to 970,069.06, 1,447,516.90 and 869,201.74 is: 1,297,004.78
Step by Step Solution
- Step 1: Write the proportion equation
970,069.06 : 1,447,516.90 = 869,201.74 : x - Step 2: Convert to fraction form
970,069.06/1,447,516.90 = 869,201.74/x - Step 3: Cross multiply
970,069.06x = 1,447,516.90 × 869,201.74 - Step 4: Simplify right side
970,069.06x = 1,258,184,208,159.41 - Step 5: Solve for x
x = 1,258,184,208,159.41/970,069.06 - Step 6: Final answer
x = 1,297,004.78
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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.