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Finding the Fourth Proportional to 466,303.40, 699,455.10 and 429,561.80

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Solution

The fourth proportional to 466,303.40, 699,455.10 and 429,561.80 is: 644,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,303.40 : 699,455.10 = 429,561.80 : x
  2. Step 2: Convert to fraction form
    466,303.40/699,455.10 = 429,561.80/x
  3. Step 3: Cross multiply
    466,303.40x = 699,455.10 × 429,561.80
  4. Step 4: Simplify right side
    466,303.40x = 300,459,191,775.18
  5. Step 5: Solve for x
    x = 300,459,191,775.18/466,303.40
  6. Step 6: Final answer
    x = 644,342.70

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