Finding the Fourth Proportional to 707,589.18, 977,428.35 and 565,346.70
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Solution
The fourth proportional to 707,589.18, 977,428.35 and 565,346.70 is: 780,941.69
Step by Step Solution
- Step 1: Write the proportion equation
707,589.18 : 977,428.35 = 565,346.70 : x - Step 2: Convert to fraction form
707,589.18/977,428.35 = 565,346.70/x - Step 3: Cross multiply
707,589.18x = 977,428.35 × 565,346.70 - Step 4: Simplify right side
707,589.18x = 552,585,892,158.95 - Step 5: Solve for x
x = 552,585,892,158.95/707,589.18 - Step 6: Final answer
x = 780,941.69
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1.5x scale
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.