Home / 858,267.90-1,184,288.78-514,023.16

Finding the Fourth Proportional to 858,267.90, 1,184,288.78 and 514,023.16

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Solution

The fourth proportional to 858,267.90, 1,184,288.78 and 514,023.16 is: 709,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,267.90 : 1,184,288.78 = 514,023.16 : x
  2. Step 2: Convert to fraction form
    858,267.90/1,184,288.78 = 514,023.16/x
  3. Step 3: Cross multiply
    858,267.90x = 1,184,288.78 × 514,023.16
  4. Step 4: Simplify right side
    858,267.90x = 608,751,861,048.15
  5. Step 5: Solve for x
    x = 608,751,861,048.15/858,267.90
  6. Step 6: Final answer
    x = 709,279.54

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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.