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Finding the Fourth Proportional to 566,430.32, 781,674.06 and 311,779.69

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Solution

The fourth proportional to 566,430.32, 781,674.06 and 311,779.69 is: 430,256.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,430.32 : 781,674.06 = 311,779.69 : x
  2. Step 2: Convert to fraction form
    566,430.32/781,674.06 = 311,779.69/x
  3. Step 3: Cross multiply
    566,430.32x = 781,674.06 × 311,779.69
  4. Step 4: Simplify right side
    566,430.32x = 243,710,095,322.83
  5. Step 5: Solve for x
    x = 243,710,095,322.83/566,430.32
  6. Step 6: Final answer
    x = 430,256.09

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