Finding the Fourth Proportional to 615,692.09, 923,538.08 and 312,038.95
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Solution
The fourth proportional to 615,692.09, 923,538.08 and 312,038.95 is: 468,058.40
Step by Step Solution
- Step 1: Write the proportion equation
615,692.09 : 923,538.08 = 312,038.95 : x - Step 2: Convert to fraction form
615,692.09/923,538.08 = 312,038.95/x - Step 3: Cross multiply
615,692.09x = 923,538.08 × 312,038.95 - Step 4: Simplify right side
615,692.09x = 288,179,852,768.22 - Step 5: Solve for x
x = 288,179,852,768.22/615,692.09 - Step 6: Final answer
x = 468,058.40
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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.