Finding the Fourth Proportional to 536,470.02, 740,653.74 and 355,337.19
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Solution
The fourth proportional to 536,470.02, 740,653.74 and 355,337.19 is: 490,580.66
Step by Step Solution
- Step 1: Write the proportion equation
536,470.02 : 740,653.74 = 355,337.19 : x - Step 2: Convert to fraction form
536,470.02/740,653.74 = 355,337.19/x - Step 3: Cross multiply
536,470.02x = 740,653.74 × 355,337.19 - Step 4: Simplify right side
536,470.02x = 263,181,818,734.59 - Step 5: Solve for x
x = 263,181,818,734.59/536,470.02 - Step 6: Final answer
x = 490,580.66
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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.