Home / 858,458.34-1,184,819.22-495,817.02

Finding the Fourth Proportional to 858,458.34, 1,184,819.22 and 495,817.02

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Solution

The fourth proportional to 858,458.34, 1,184,819.22 and 495,817.02 is: 684,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,458.34 : 1,184,819.22 = 495,817.02 : x
  2. Step 2: Convert to fraction form
    858,458.34/1,184,819.22 = 495,817.02/x
  3. Step 3: Cross multiply
    858,458.34x = 1,184,819.22 × 495,817.02
  4. Step 4: Simplify right side
    858,458.34x = 587,453,534,899.12
  5. Step 5: Solve for x
    x = 587,453,534,899.12/858,458.34
  6. Step 6: Final answer
    x = 684,312.22

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1.5x scale

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.