Home / 551,457.10-827,185.65-314,823.70

Finding the Fourth Proportional to 551,457.10, 827,185.65 and 314,823.70

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Solution

The fourth proportional to 551,457.10, 827,185.65 and 314,823.70 is: 472,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,457.10 : 827,185.65 = 314,823.70 : x
  2. Step 2: Convert to fraction form
    551,457.10/827,185.65 = 314,823.70/x
  3. Step 3: Cross multiply
    551,457.10x = 827,185.65 × 314,823.70
  4. Step 4: Simplify right side
    551,457.10x = 260,417,646,919.91
  5. Step 5: Solve for x
    x = 260,417,646,919.91/551,457.10
  6. Step 6: Final answer
    x = 472,235.55

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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.