Finding the Fourth Proportional to 657,319.84, 907,023.36 and 370,823.20
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Solution
The fourth proportional to 657,319.84, 907,023.36 and 370,823.20 is: 511,692.00
Step by Step Solution
- Step 1: Write the proportion equation
657,319.84 : 907,023.36 = 370,823.20 : x - Step 2: Convert to fraction form
657,319.84/907,023.36 = 370,823.20/x - Step 3: Cross multiply
657,319.84x = 907,023.36 × 370,823.20 - Step 4: Simplify right side
657,319.84x = 336,345,304,829.95 - Step 5: Solve for x
x = 336,345,304,829.95/657,319.84 - Step 6: Final answer
x = 511,692.00
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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.