Home / 994,622.12-1,490,678.67-425,330.22

Finding the Fourth Proportional to 994,622.12, 1,490,678.67 and 425,330.22

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Solution

The fourth proportional to 994,622.12, 1,490,678.67 and 425,330.22 is: 637,458.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,622.12 : 1,490,678.67 = 425,330.22 : x
  2. Step 2: Convert to fraction form
    994,622.12/1,490,678.67 = 425,330.22/x
  3. Step 3: Cross multiply
    994,622.12x = 1,490,678.67 × 425,330.22
  4. Step 4: Simplify right side
    994,622.12x = 634,030,693,845.44
  5. Step 5: Solve for x
    x = 634,030,693,845.44/994,622.12
  6. Step 6: Final answer
    x = 637,458.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.