Home / 684,319.92-1,025,956.60-414,389.32

Finding the Fourth Proportional to 684,319.92, 1,025,956.60 and 414,389.32

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Solution

The fourth proportional to 684,319.92, 1,025,956.60 and 414,389.32 is: 621,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,319.92 : 1,025,956.60 = 414,389.32 : x
  2. Step 2: Convert to fraction form
    684,319.92/1,025,956.60 = 414,389.32/x
  3. Step 3: Cross multiply
    684,319.92x = 1,025,956.60 × 414,389.32
  4. Step 4: Simplify right side
    684,319.92x = 425,145,457,823.51
  5. Step 5: Solve for x
    x = 425,145,457,823.51/684,319.92
  6. Step 6: Final answer
    x = 621,267.11

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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.