Home / 626,570.12-864,667.56-340,090.13

Finding the Fourth Proportional to 626,570.12, 864,667.56 and 340,090.13

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Solution

The fourth proportional to 626,570.12, 864,667.56 and 340,090.13 is: 469,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,570.12 : 864,667.56 = 340,090.13 : x
  2. Step 2: Convert to fraction form
    626,570.12/864,667.56 = 340,090.13/x
  3. Step 3: Cross multiply
    626,570.12x = 864,667.56 × 340,090.13
  4. Step 4: Simplify right side
    626,570.12x = 294,064,898,563.85
  5. Step 5: Solve for x
    x = 294,064,898,563.85/626,570.12
  6. Step 6: Final answer
    x = 469,324.81

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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.