Finding the Fourth Proportional to 564,056.48, 778,533.36 and 383,070.08
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Solution
The fourth proportional to 564,056.48, 778,533.36 and 383,070.08 is: 528,728.68
Step by Step Solution
- Step 1: Write the proportion equation
564,056.48 : 778,533.36 = 383,070.08 : x - Step 2: Convert to fraction form
564,056.48/778,533.36 = 383,070.08/x - Step 3: Cross multiply
564,056.48x = 778,533.36 × 383,070.08 - Step 4: Simplify right side
564,056.48x = 298,232,836,497.87 - Step 5: Solve for x
x = 298,232,836,497.87/564,056.48 - Step 6: Final answer
x = 528,728.68
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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.