Finding the Fourth Proportional to 507,646.93, 700,463.94 and 289,756.12
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Solution
The fourth proportional to 507,646.93, 700,463.94 and 289,756.12 is: 399,812.75
Step by Step Solution
- Step 1: Write the proportion equation
507,646.93 : 700,463.94 = 289,756.12 : x - Step 2: Convert to fraction form
507,646.93/700,463.94 = 289,756.12/x - Step 3: Cross multiply
507,646.93x = 700,463.94 × 289,756.12 - Step 4: Simplify right side
507,646.93x = 202,963,713,454.31 - Step 5: Solve for x
x = 202,963,713,454.31/507,646.93 - Step 6: Final answer
x = 399,812.75
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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.