Finding the Fourth Proportional to 1,031,303.84, 1,423,177.85 and 572,391.49
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Solution
The fourth proportional to 1,031,303.84, 1,423,177.85 and 572,391.49 is: 789,888.35
Step by Step Solution
- Step 1: Write the proportion equation
1,031,303.84 : 1,423,177.85 = 572,391.49 : x - Step 2: Convert to fraction form
1,031,303.84/1,423,177.85 = 572,391.49/x - Step 3: Cross multiply
1,031,303.84x = 1,423,177.85 × 572,391.49 - Step 4: Simplify right side
1,031,303.84x = 814,614,890,096.50 - Step 5: Solve for x
x = 814,614,890,096.50/1,031,303.84 - Step 6: Final answer
x = 789,888.35
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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.