Finding the Fourth Proportional to 553,020.98, 762,761.48 and 417,060.63
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Solution
The fourth proportional to 553,020.98, 762,761.48 and 417,060.63 is: 575,236.38
Step by Step Solution
- Step 1: Write the proportion equation
553,020.98 : 762,761.48 = 417,060.63 : x - Step 2: Convert to fraction form
553,020.98/762,761.48 = 417,060.63/x - Step 3: Cross multiply
553,020.98x = 762,761.48 × 417,060.63 - Step 4: Simplify right side
553,020.98x = 318,117,781,303.23 - Step 5: Solve for x
x = 318,117,781,303.23/553,020.98 - Step 6: Final answer
x = 575,236.38
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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.