Home / 877,870.90-1,315,931.55-403,729.30

Finding the Fourth Proportional to 877,870.90, 1,315,931.55 and 403,729.30

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Solution

The fourth proportional to 877,870.90, 1,315,931.55 and 403,729.30 is: 605,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,870.90 : 1,315,931.55 = 403,729.30 : x
  2. Step 2: Convert to fraction form
    877,870.90/1,315,931.55 = 403,729.30/x
  3. Step 3: Cross multiply
    877,870.90x = 1,315,931.55 × 403,729.30
  4. Step 4: Simplify right side
    877,870.90x = 531,280,123,529.42
  5. Step 5: Solve for x
    x = 531,280,123,529.42/877,870.90
  6. Step 6: Final answer
    x = 605,191.63

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