Finding the Fourth Proportional to 652,125.40, 977,021.70 and 402,515.80
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Solution
The fourth proportional to 652,125.40, 977,021.70 and 402,515.80 is: 603,053.75
Step by Step Solution
- Step 1: Write the proportion equation
652,125.40 : 977,021.70 = 402,515.80 : x - Step 2: Convert to fraction form
652,125.40/977,021.70 = 402,515.80/x - Step 3: Cross multiply
652,125.40x = 977,021.70 × 402,515.80 - Step 4: Simplify right side
652,125.40x = 393,266,671,192.86 - Step 5: Solve for x
x = 393,266,671,192.86/652,125.40 - Step 6: Final answer
x = 603,053.75
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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.