Home / 646,655.31-892,075.28-502,428.33

Finding the Fourth Proportional to 646,655.31, 892,075.28 and 502,428.33

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Solution

The fourth proportional to 646,655.31, 892,075.28 and 502,428.33 is: 693,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,655.31 : 892,075.28 = 502,428.33 : x
  2. Step 2: Convert to fraction form
    646,655.31/892,075.28 = 502,428.33/x
  3. Step 3: Cross multiply
    646,655.31x = 892,075.28 × 502,428.33
  4. Step 4: Simplify right side
    646,655.31x = 448,203,890,652.54
  5. Step 5: Solve for x
    x = 448,203,890,652.54/646,655.31
  6. Step 6: Final answer
    x = 693,110.97

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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.