Finding the Fourth Proportional to 953,931.05, 1,316,137.79 and 571,818.41
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Solution
The fourth proportional to 953,931.05, 1,316,137.79 and 571,818.41 is: 788,937.33
Step by Step Solution
- Step 1: Write the proportion equation
953,931.05 : 1,316,137.79 = 571,818.41 : x - Step 2: Convert to fraction form
953,931.05/1,316,137.79 = 571,818.41/x - Step 3: Cross multiply
953,931.05x = 1,316,137.79 × 571,818.41 - Step 4: Simplify right side
953,931.05x = 752,591,815,559.62 - Step 5: Solve for x
x = 752,591,815,559.62/953,931.05 - Step 6: Final answer
x = 788,937.33
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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.