Home / 440,428.16-607,787.52-239,225.60

Finding the Fourth Proportional to 440,428.16, 607,787.52 and 239,225.60

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Solution

The fourth proportional to 440,428.16, 607,787.52 and 239,225.60 is: 330,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,428.16 : 607,787.52 = 239,225.60 : x
  2. Step 2: Convert to fraction form
    440,428.16/607,787.52 = 239,225.60/x
  3. Step 3: Cross multiply
    440,428.16x = 607,787.52 × 239,225.60
  4. Step 4: Simplify right side
    440,428.16x = 145,398,334,144.51
  5. Step 5: Solve for x
    x = 145,398,334,144.51/440,428.16
  6. Step 6: Final answer
    x = 330,129.51

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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.