Home / 994,639.65-1,490,704.98-425,347.76

Finding the Fourth Proportional to 994,639.65, 1,490,704.98 and 425,347.76

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Solution

The fourth proportional to 994,639.65, 1,490,704.98 and 425,347.76 is: 637,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,639.65 : 1,490,704.98 = 425,347.76 : x
  2. Step 2: Convert to fraction form
    994,639.65/1,490,704.98 = 425,347.76/x
  3. Step 3: Cross multiply
    994,639.65x = 1,490,704.98 × 425,347.76
  4. Step 4: Simplify right side
    994,639.65x = 634,068,016,610.32
  5. Step 5: Solve for x
    x = 634,068,016,610.32/994,639.65
  6. Step 6: Final answer
    x = 637,485.16

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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.