Home / 858,020.99-1,184,142.51-470,911.22

Finding the Fourth Proportional to 858,020.99, 1,184,142.51 and 470,911.22

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Solution

The fourth proportional to 858,020.99, 1,184,142.51 and 470,911.22 is: 649,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,020.99 : 1,184,142.51 = 470,911.22 : x
  2. Step 2: Convert to fraction form
    858,020.99/1,184,142.51 = 470,911.22/x
  3. Step 3: Cross multiply
    858,020.99x = 1,184,142.51 × 470,911.22
  4. Step 4: Simplify right side
    858,020.99x = 557,625,992,557.78
  5. Step 5: Solve for x
    x = 557,625,992,557.78/858,020.99
  6. Step 6: Final answer
    x = 649,897.85

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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.