Home / 829,971.60-1,244,957.40-578,029.20

Finding the Fourth Proportional to 829,971.60, 1,244,957.40 and 578,029.20

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Solution

The fourth proportional to 829,971.60, 1,244,957.40 and 578,029.20 is: 867,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,971.60 : 1,244,957.40 = 578,029.20 : x
  2. Step 2: Convert to fraction form
    829,971.60/1,244,957.40 = 578,029.20/x
  3. Step 3: Cross multiply
    829,971.60x = 1,244,957.40 × 578,029.20
  4. Step 4: Simplify right side
    829,971.60x = 719,621,729,956.08
  5. Step 5: Solve for x
    x = 719,621,729,956.08/829,971.60
  6. Step 6: Final answer
    x = 867,043.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.