Home / 581,722.94-802,508.20-340,015.70

Finding the Fourth Proportional to 581,722.94, 802,508.20 and 340,015.70

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Solution

The fourth proportional to 581,722.94, 802,508.20 and 340,015.70 is: 469,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,722.94 : 802,508.20 = 340,015.70 : x
  2. Step 2: Convert to fraction form
    581,722.94/802,508.20 = 340,015.70/x
  3. Step 3: Cross multiply
    581,722.94x = 802,508.20 × 340,015.70
  4. Step 4: Simplify right side
    581,722.94x = 272,865,387,378.74
  5. Step 5: Solve for x
    x = 272,865,387,378.74/581,722.94
  6. Step 6: Final answer
    x = 469,064.17

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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.