Home / 684,098.40-1,024,981.20-565,125.60

Finding the Fourth Proportional to 684,098.40, 1,024,981.20 and 565,125.60

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Solution

The fourth proportional to 684,098.40, 1,024,981.20 and 565,125.60 is: 846,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,098.40 : 1,024,981.20 = 565,125.60 : x
  2. Step 2: Convert to fraction form
    684,098.40/1,024,981.20 = 565,125.60/x
  3. Step 3: Cross multiply
    684,098.40x = 1,024,981.20 × 565,125.60
  4. Step 4: Simplify right side
    684,098.40x = 579,243,115,638.72
  5. Step 5: Solve for x
    x = 579,243,115,638.72/684,098.40
  6. Step 6: Final answer
    x = 846,724.85

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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.