Home / 553,333.20-829,999.80-530,005.20

Finding the Fourth Proportional to 553,333.20, 829,999.80 and 530,005.20

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Solution

The fourth proportional to 553,333.20, 829,999.80 and 530,005.20 is: 795,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,333.20 : 829,999.80 = 530,005.20 : x
  2. Step 2: Convert to fraction form
    553,333.20/829,999.80 = 530,005.20/x
  3. Step 3: Cross multiply
    553,333.20x = 829,999.80 × 530,005.20
  4. Step 4: Simplify right side
    553,333.20x = 439,904,209,998.96
  5. Step 5: Solve for x
    x = 439,904,209,998.96/553,333.20
  6. Step 6: Final answer
    x = 795,007.80

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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.