Home / 507,629.58-700,529.64-278,150.40

Finding the Fourth Proportional to 507,629.58, 700,529.64 and 278,150.40

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Solution

The fourth proportional to 507,629.58, 700,529.64 and 278,150.40 is: 383,848.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,629.58 : 700,529.64 = 278,150.40 : x
  2. Step 2: Convert to fraction form
    507,629.58/700,529.64 = 278,150.40/x
  3. Step 3: Cross multiply
    507,629.58x = 700,529.64 × 278,150.40
  4. Step 4: Simplify right side
    507,629.58x = 194,852,599,577.86
  5. Step 5: Solve for x
    x = 194,852,599,577.86/507,629.58
  6. Step 6: Final answer
    x = 383,848.00

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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.