Finding the Fourth Proportional to 571,421.60, 859,108.80 and 534,420.80
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Solution
The fourth proportional to 571,421.60, 859,108.80 and 534,420.80 is: 803,479.62
Step by Step Solution
- Step 1: Write the proportion equation
571,421.60 : 859,108.80 = 534,420.80 : x - Step 2: Convert to fraction form
571,421.60/859,108.80 = 534,420.80/x - Step 3: Cross multiply
571,421.60x = 859,108.80 × 534,420.80 - Step 4: Simplify right side
571,421.60x = 459,125,612,183.04 - Step 5: Solve for x
x = 459,125,612,183.04/571,421.60 - Step 6: Final answer
x = 803,479.62
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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.