Home / 802,098.08-1,106,895.20-479,821.76

Finding the Fourth Proportional to 802,098.08, 1,106,895.20 and 479,821.76

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Solution

The fourth proportional to 802,098.08, 1,106,895.20 and 479,821.76 is: 662,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,098.08 : 1,106,895.20 = 479,821.76 : x
  2. Step 2: Convert to fraction form
    802,098.08/1,106,895.20 = 479,821.76/x
  3. Step 3: Cross multiply
    802,098.08x = 1,106,895.20 × 479,821.76
  4. Step 4: Simplify right side
    802,098.08x = 531,112,402,999.55
  5. Step 5: Solve for x
    x = 531,112,402,999.55/802,098.08
  6. Step 6: Final answer
    x = 662,153.94

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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.