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Finding the Fourth Proportional to 553,384.80, 830,077.20 and 530,056.80

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Solution

The fourth proportional to 553,384.80, 830,077.20 and 530,056.80 is: 795,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,384.80 : 830,077.20 = 530,056.80 : x
  2. Step 2: Convert to fraction form
    553,384.80/830,077.20 = 530,056.80/x
  3. Step 3: Cross multiply
    553,384.80x = 830,077.20 × 530,056.80
  4. Step 4: Simplify right side
    553,384.80x = 439,988,064,384.96
  5. Step 5: Solve for x
    x = 439,988,064,384.96/553,384.80
  6. Step 6: Final answer
    x = 795,085.20

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