Finding the Fourth Proportional to 646,962.05, 892,811.19 and 375,191.09
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Solution
The fourth proportional to 646,962.05, 892,811.19 and 375,191.09 is: 517,765.77
Step by Step Solution
- Step 1: Write the proportion equation
646,962.05 : 892,811.19 = 375,191.09 : x - Step 2: Convert to fraction form
646,962.05/892,811.19 = 375,191.09/x - Step 3: Cross multiply
646,962.05x = 892,811.19 × 375,191.09 - Step 4: Simplify right side
646,962.05x = 334,974,803,831.25 - Step 5: Solve for x
x = 334,974,803,831.25/646,962.05 - Step 6: Final answer
x = 517,765.77
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1.5x scale
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.