Home / 802,922.54-1,108,047.31-440,343.22

Finding the Fourth Proportional to 802,922.54, 1,108,047.31 and 440,343.22

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Solution

The fourth proportional to 802,922.54, 1,108,047.31 and 440,343.22 is: 607,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,922.54 : 1,108,047.31 = 440,343.22 : x
  2. Step 2: Convert to fraction form
    802,922.54/1,108,047.31 = 440,343.22/x
  3. Step 3: Cross multiply
    802,922.54x = 1,108,047.31 × 440,343.22
  4. Step 4: Simplify right side
    802,922.54x = 487,921,123,898.13
  5. Step 5: Solve for x
    x = 487,921,123,898.13/802,922.54
  6. Step 6: Final answer
    x = 607,681.44

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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.