Finding the Fourth Proportional to 529,070.57, 730,326.75 and 368,019.08
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Solution
The fourth proportional to 529,070.57, 730,326.75 and 368,019.08 is: 508,011.96
Step by Step Solution
- Step 1: Write the proportion equation
529,070.57 : 730,326.75 = 368,019.08 : x - Step 2: Convert to fraction form
529,070.57/730,326.75 = 368,019.08/x - Step 3: Cross multiply
529,070.57x = 730,326.75 × 368,019.08 - Step 4: Simplify right side
529,070.57x = 268,774,174,982.76 - Step 5: Solve for x
x = 268,774,174,982.76/529,070.57 - Step 6: Final answer
x = 508,011.96
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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.