Home / 628,988.80-942,610.32-286,595.46

Finding the Fourth Proportional to 628,988.80, 942,610.32 and 286,595.46

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Solution

The fourth proportional to 628,988.80, 942,610.32 and 286,595.46 is: 429,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,988.80 : 942,610.32 = 286,595.46 : x
  2. Step 2: Convert to fraction form
    628,988.80/942,610.32 = 286,595.46/x
  3. Step 3: Cross multiply
    628,988.80x = 942,610.32 × 286,595.46
  4. Step 4: Simplify right side
    628,988.80x = 270,147,841,795.94
  5. Step 5: Solve for x
    x = 270,147,841,795.94/628,988.80
  6. Step 6: Final answer
    x = 429,495.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.