Finding the Fourth Proportional to 506,430.05, 698,795.70 and 291,528.42
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Solution
The fourth proportional to 506,430.05, 698,795.70 and 291,528.42 is: 402,264.46
Step by Step Solution
- Step 1: Write the proportion equation
506,430.05 : 698,795.70 = 291,528.42 : x - Step 2: Convert to fraction form
506,430.05/698,795.70 = 291,528.42/x - Step 3: Cross multiply
506,430.05x = 698,795.70 × 291,528.42 - Step 4: Simplify right side
506,430.05x = 203,718,806,323.79 - Step 5: Solve for x
x = 203,718,806,323.79/506,430.05 - Step 6: Final answer
x = 402,264.46
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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.