Finding the Fourth Proportional to 689,125.08, 951,013.17 and 417,242.70
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Solution
The fourth proportional to 689,125.08, 951,013.17 and 417,242.70 is: 575,807.37
Step by Step Solution
- Step 1: Write the proportion equation
689,125.08 : 951,013.17 = 417,242.70 : x - Step 2: Convert to fraction form
689,125.08/951,013.17 = 417,242.70/x - Step 3: Cross multiply
689,125.08x = 951,013.17 × 417,242.70 - Step 4: Simplify right side
689,125.08x = 396,803,302,786.36 - Step 5: Solve for x
x = 396,803,302,786.36/689,125.08 - Step 6: Final answer
x = 575,807.37
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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.