Home / 1,470,000.30-2,205,000.45-472,829.10

Finding the Fourth Proportional to 1,470,000.30, 2,205,000.45 and 472,829.10

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Solution

The fourth proportional to 1,470,000.30, 2,205,000.45 and 472,829.10 is: 709,243.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,000.30 : 2,205,000.45 = 472,829.10 : x
  2. Step 2: Convert to fraction form
    1,470,000.30/2,205,000.45 = 472,829.10/x
  3. Step 3: Cross multiply
    1,470,000.30x = 2,205,000.45 × 472,829.10
  4. Step 4: Simplify right side
    1,470,000.30x = 1,042,588,378,273.10
  5. Step 5: Solve for x
    x = 1,042,588,378,273.10/1,470,000.30
  6. Step 6: Final answer
    x = 709,243.65

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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.