Finding the Fourth Proportional to 659,281.98, 909,814.60 and 357,475.98
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Solution
The fourth proportional to 659,281.98, 909,814.60 and 357,475.98 is: 493,319.82
Step by Step Solution
- Step 1: Write the proportion equation
659,281.98 : 909,814.60 = 357,475.98 : x - Step 2: Convert to fraction form
659,281.98/909,814.60 = 357,475.98/x - Step 3: Cross multiply
659,281.98x = 909,814.60 × 357,475.98 - Step 4: Simplify right side
659,281.98x = 325,236,865,753.31 - Step 5: Solve for x
x = 325,236,865,753.31/659,281.98 - Step 6: Final answer
x = 493,319.82
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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.