Home / 439,430.36-606,459.10-267,360.54

Finding the Fourth Proportional to 439,430.36, 606,459.10 and 267,360.54

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Solution

The fourth proportional to 439,430.36, 606,459.10 and 267,360.54 is: 368,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,430.36 : 606,459.10 = 267,360.54 : x
  2. Step 2: Convert to fraction form
    439,430.36/606,459.10 = 267,360.54/x
  3. Step 3: Cross multiply
    439,430.36x = 606,459.10 × 267,360.54
  4. Step 4: Simplify right side
    439,430.36x = 162,143,231,795.51
  5. Step 5: Solve for x
    x = 162,143,231,795.51/439,430.36
  6. Step 6: Final answer
    x = 368,985.05

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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.