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Finding the Fourth Proportional to 553,353.20, 830,029.80 and 530,025.20

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Solution

The fourth proportional to 553,353.20, 830,029.80 and 530,025.20 is: 795,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,353.20 : 830,029.80 = 530,025.20 : x
  2. Step 2: Convert to fraction form
    553,353.20/830,029.80 = 530,025.20/x
  3. Step 3: Cross multiply
    553,353.20x = 830,029.80 × 530,025.20
  4. Step 4: Simplify right side
    553,353.20x = 439,936,710,750.96
  5. Step 5: Solve for x
    x = 439,936,710,750.96/553,353.20
  6. Step 6: Final answer
    x = 795,037.80

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.