Home / 440,160.49-607,424-258,880.06

Finding the Fourth Proportional to 440,160.49, 607,424 and 258,880.06

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Solution

The fourth proportional to 440,160.49, 607,424 and 258,880.06 is: 357,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,160.49 : 607,424 = 258,880.06 : x
  2. Step 2: Convert to fraction form
    440,160.49/607,424 = 258,880.06/x
  3. Step 3: Cross multiply
    440,160.49x = 607,424 × 258,880.06
  4. Step 4: Simplify right side
    440,160.49x = 157,249,961,565.44
  5. Step 5: Solve for x
    x = 157,249,961,565.44/440,160.49
  6. Step 6: Final answer
    x = 357,255.97

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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.