Finding the Fourth Proportional to 602,178.84, 903,420.12 and 425,031.84
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Solution
The fourth proportional to 602,178.84, 903,420.12 and 425,031.84 is: 637,654.95
Step by Step Solution
- Step 1: Write the proportion equation
602,178.84 : 903,420.12 = 425,031.84 : x - Step 2: Convert to fraction form
602,178.84/903,420.12 = 425,031.84/x - Step 3: Cross multiply
602,178.84x = 903,420.12 × 425,031.84 - Step 4: Simplify right side
602,178.84x = 383,982,315,896.62 - Step 5: Solve for x
x = 383,982,315,896.62/602,178.84 - Step 6: Final answer
x = 637,654.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.