Home / 761,074.79-1,050,027.30-438,777.81

Finding the Fourth Proportional to 761,074.79, 1,050,027.30 and 438,777.81

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Solution

The fourth proportional to 761,074.79, 1,050,027.30 and 438,777.81 is: 605,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,074.79 : 1,050,027.30 = 438,777.81 : x
  2. Step 2: Convert to fraction form
    761,074.79/1,050,027.30 = 438,777.81/x
  3. Step 3: Cross multiply
    761,074.79x = 1,050,027.30 × 438,777.81
  4. Step 4: Simplify right side
    761,074.79x = 460,728,679,134.21
  5. Step 5: Solve for x
    x = 460,728,679,134.21/761,074.79
  6. Step 6: Final answer
    x = 605,365.84

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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.