Home / 697,807.20-1,046,710.80-172,495.20

Finding the Fourth Proportional to 697,807.20, 1,046,710.80 and 172,495.20

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Solution

The fourth proportional to 697,807.20, 1,046,710.80 and 172,495.20 is: 258,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,807.20 : 1,046,710.80 = 172,495.20 : x
  2. Step 2: Convert to fraction form
    697,807.20/1,046,710.80 = 172,495.20/x
  3. Step 3: Cross multiply
    697,807.20x = 1,046,710.80 × 172,495.20
  4. Step 4: Simplify right side
    697,807.20x = 180,552,588,788.16
  5. Step 5: Solve for x
    x = 180,552,588,788.16/697,807.20
  6. Step 6: Final answer
    x = 258,742.80

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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.