Home / 506,919.50-699,501.42-302,929.82

Finding the Fourth Proportional to 506,919.50, 699,501.42 and 302,929.82

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Solution

The fourth proportional to 506,919.50, 699,501.42 and 302,929.82 is: 418,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,919.50 : 699,501.42 = 302,929.82 : x
  2. Step 2: Convert to fraction form
    506,919.50/699,501.42 = 302,929.82/x
  3. Step 3: Cross multiply
    506,919.50x = 699,501.42 × 302,929.82
  4. Step 4: Simplify right side
    506,919.50x = 211,899,835,752.84
  5. Step 5: Solve for x
    x = 211,899,835,752.84/506,919.50
  6. Step 6: Final answer
    x = 418,014.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.