Finding the Fourth Proportional to 565,652.70, 848,479.05 and 313,710.30
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Solution
The fourth proportional to 565,652.70, 848,479.05 and 313,710.30 is: 470,565.45
Step by Step Solution
- Step 1: Write the proportion equation
565,652.70 : 848,479.05 = 313,710.30 : x - Step 2: Convert to fraction form
565,652.70/848,479.05 = 313,710.30/x - Step 3: Cross multiply
565,652.70x = 848,479.05 × 313,710.30 - Step 4: Simplify right side
565,652.70x = 266,176,617,319.22 - Step 5: Solve for x
x = 266,176,617,319.22/565,652.70 - Step 6: Final answer
x = 470,565.45
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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.