Finding the Fourth Proportional to 724,598.58, 999,971.55 and 402,313.62
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Solution
The fourth proportional to 724,598.58, 999,971.55 and 402,313.62 is: 555,206.96
Step by Step Solution
- Step 1: Write the proportion equation
724,598.58 : 999,971.55 = 402,313.62 : x - Step 2: Convert to fraction form
724,598.58/999,971.55 = 402,313.62/x - Step 3: Cross multiply
724,598.58x = 999,971.55 × 402,313.62 - Step 4: Simplify right side
724,598.58x = 402,302,174,177.51 - Step 5: Solve for x
x = 402,302,174,177.51/724,598.58 - Step 6: Final answer
x = 555,206.96
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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.