Home / 709,664.30-1,064,168.40-310,099.40

Finding the Fourth Proportional to 709,664.30, 1,064,168.40 and 310,099.40

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Solution

The fourth proportional to 709,664.30, 1,064,168.40 and 310,099.40 is: 465,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,664.30 : 1,064,168.40 = 310,099.40 : x
  2. Step 2: Convert to fraction form
    709,664.30/1,064,168.40 = 310,099.40/x
  3. Step 3: Cross multiply
    709,664.30x = 1,064,168.40 × 310,099.40
  4. Step 4: Simplify right side
    709,664.30x = 329,997,982,338.96
  5. Step 5: Solve for x
    x = 329,997,982,338.96/709,664.30
  6. Step 6: Final answer
    x = 465,005.75

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1.5x scale

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.