Home / 418,931.93-578,168.61-246,905.28

Finding the Fourth Proportional to 418,931.93, 578,168.61 and 246,905.28

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Solution

The fourth proportional to 418,931.93, 578,168.61 and 246,905.28 is: 340,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,931.93 : 578,168.61 = 246,905.28 : x
  2. Step 2: Convert to fraction form
    418,931.93/578,168.61 = 246,905.28/x
  3. Step 3: Cross multiply
    418,931.93x = 578,168.61 × 246,905.28
  4. Step 4: Simplify right side
    418,931.93x = 142,752,882,539.26
  5. Step 5: Solve for x
    x = 142,752,882,539.26/418,931.93
  6. Step 6: Final answer
    x = 340,754.37

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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.