Home / 858,529.78-1,184,775.78-536,426.80

Finding the Fourth Proportional to 858,529.78, 1,184,775.78 and 536,426.80

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Solution

The fourth proportional to 858,529.78, 1,184,775.78 and 536,426.80 is: 740,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,529.78 : 1,184,775.78 = 536,426.80 : x
  2. Step 2: Convert to fraction form
    858,529.78/1,184,775.78 = 536,426.80/x
  3. Step 3: Cross multiply
    858,529.78x = 1,184,775.78 × 536,426.80
  4. Step 4: Simplify right side
    858,529.78x = 635,545,480,382.90
  5. Step 5: Solve for x
    x = 635,545,480,382.90/858,529.78
  6. Step 6: Final answer
    x = 740,271.91

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Double scale
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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.