Home / 761,916.92-1,051,446.83-422,385.17

Finding the Fourth Proportional to 761,916.92, 1,051,446.83 and 422,385.17

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Solution

The fourth proportional to 761,916.92, 1,051,446.83 and 422,385.17 is: 582,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,916.92 : 1,051,446.83 = 422,385.17 : x
  2. Step 2: Convert to fraction form
    761,916.92/1,051,446.83 = 422,385.17/x
  3. Step 3: Cross multiply
    761,916.92x = 1,051,446.83 × 422,385.17
  4. Step 4: Simplify right side
    761,916.92x = 444,115,540,666.35
  5. Step 5: Solve for x
    x = 444,115,540,666.35/761,916.92
  6. Step 6: Final answer
    x = 582,892.35

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1.5x scale

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.