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Finding the Fourth Proportional to 346,718.70, 520,078.05 and 283,733.10

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Solution

The fourth proportional to 346,718.70, 520,078.05 and 283,733.10 is: 425,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,718.70 : 520,078.05 = 283,733.10 : x
  2. Step 2: Convert to fraction form
    346,718.70/520,078.05 = 283,733.10/x
  3. Step 3: Cross multiply
    346,718.70x = 520,078.05 × 283,733.10
  4. Step 4: Simplify right side
    346,718.70x = 147,563,357,368.46
  5. Step 5: Solve for x
    x = 147,563,357,368.46/346,718.70
  6. Step 6: Final answer
    x = 425,599.65

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