Finding the Fourth Proportional to 719,044.48, 992,248.14 and 412,905.49
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Solution
The fourth proportional to 719,044.48, 992,248.14 and 412,905.49 is: 569,790.49
Step by Step Solution
- Step 1: Write the proportion equation
719,044.48 : 992,248.14 = 412,905.49 : x - Step 2: Convert to fraction form
719,044.48/992,248.14 = 412,905.49/x - Step 3: Cross multiply
719,044.48x = 992,248.14 × 412,905.49 - Step 4: Simplify right side
719,044.48x = 409,704,704,448.29 - Step 5: Solve for x
x = 409,704,704,448.29/719,044.48 - Step 6: Final answer
x = 569,790.49
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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.