Home / 858,549.78-1,184,803.38-536,446.80

Finding the Fourth Proportional to 858,549.78, 1,184,803.38 and 536,446.80

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Solution

The fourth proportional to 858,549.78, 1,184,803.38 and 536,446.80 is: 740,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,549.78 : 1,184,803.38 = 536,446.80 : x
  2. Step 2: Convert to fraction form
    858,549.78/1,184,803.38 = 536,446.80/x
  3. Step 3: Cross multiply
    858,549.78x = 1,184,803.38 × 536,446.80
  4. Step 4: Simplify right side
    858,549.78x = 635,583,981,830.18
  5. Step 5: Solve for x
    x = 635,583,981,830.18/858,549.78
  6. Step 6: Final answer
    x = 740,299.51

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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.