Finding the Fourth Proportional to 475,698.79, 712,148.50 and 317,534.95
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Solution
The fourth proportional to 475,698.79, 712,148.50 and 317,534.95 is: 475,368.12
Step by Step Solution
- Step 1: Write the proportion equation
475,698.79 : 712,148.50 = 317,534.95 : x - Step 2: Convert to fraction form
475,698.79/712,148.50 = 317,534.95/x - Step 3: Cross multiply
475,698.79x = 712,148.50 × 317,534.95 - Step 4: Simplify right side
475,698.79x = 226,132,038,340.08 - Step 5: Solve for x
x = 226,132,038,340.08/475,698.79 - Step 6: Final answer
x = 475,368.12
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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.