Home / 646,664.31-892,087.65-502,437.33

Finding the Fourth Proportional to 646,664.31, 892,087.65 and 502,437.33

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Solution

The fourth proportional to 646,664.31, 892,087.65 and 502,437.33 is: 693,123.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,664.31 : 892,087.65 = 502,437.33 : x
  2. Step 2: Convert to fraction form
    646,664.31/892,087.65 = 502,437.33/x
  3. Step 3: Cross multiply
    646,664.31x = 892,087.65 × 502,437.33
  4. Step 4: Simplify right side
    646,664.31x = 448,218,136,991.98
  5. Step 5: Solve for x
    x = 448,218,136,991.98/646,664.31
  6. Step 6: Final answer
    x = 693,123.36

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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.