Finding the Fourth Proportional to 539,202.60, 808,415.10 and 302,617.80
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Solution
The fourth proportional to 539,202.60, 808,415.10 and 302,617.80 is: 453,708.49
Step by Step Solution
- Step 1: Write the proportion equation
539,202.60 : 808,415.10 = 302,617.80 : x - Step 2: Convert to fraction form
539,202.60/808,415.10 = 302,617.80/x - Step 3: Cross multiply
539,202.60x = 808,415.10 × 302,617.80 - Step 4: Simplify right side
539,202.60x = 244,640,799,048.78 - Step 5: Solve for x
x = 244,640,799,048.78/539,202.60 - Step 6: Final answer
x = 453,708.49
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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.