Home / 439,895.16-607,055.40-248,904.72

Finding the Fourth Proportional to 439,895.16, 607,055.40 and 248,904.72

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Solution

The fourth proportional to 439,895.16, 607,055.40 and 248,904.72 is: 343,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,895.16 : 607,055.40 = 248,904.72 : x
  2. Step 2: Convert to fraction form
    439,895.16/607,055.40 = 248,904.72/x
  3. Step 3: Cross multiply
    439,895.16x = 607,055.40 × 248,904.72
  4. Step 4: Simplify right side
    439,895.16x = 151,098,954,361.49
  5. Step 5: Solve for x
    x = 151,098,954,361.49/439,895.16
  6. Step 6: Final answer
    x = 343,488.56

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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.