Home / 953,776.48-1,430,886.28-279,830.56

Finding the Fourth Proportional to 953,776.48, 1,430,886.28 and 279,830.56

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Solution

The fourth proportional to 953,776.48, 1,430,886.28 and 279,830.56 is: 419,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,776.48 : 1,430,886.28 = 279,830.56 : x
  2. Step 2: Convert to fraction form
    953,776.48/1,430,886.28 = 279,830.56/x
  3. Step 3: Cross multiply
    953,776.48x = 1,430,886.28 × 279,830.56
  4. Step 4: Simplify right side
    953,776.48x = 400,405,709,028.72
  5. Step 5: Solve for x
    x = 400,405,709,028.72/953,776.48
  6. Step 6: Final answer
    x = 419,810.84

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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.