Home / 849,668.56-1,274,199.28-280,944.68

Finding the Fourth Proportional to 849,668.56, 1,274,199.28 and 280,944.68

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Solution

The fourth proportional to 849,668.56, 1,274,199.28 and 280,944.68 is: 421,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,668.56 : 1,274,199.28 = 280,944.68 : x
  2. Step 2: Convert to fraction form
    849,668.56/1,274,199.28 = 280,944.68/x
  3. Step 3: Cross multiply
    849,668.56x = 1,274,199.28 × 280,944.68
  4. Step 4: Simplify right side
    849,668.56x = 357,979,506,276.32
  5. Step 5: Solve for x
    x = 357,979,506,276.32/849,668.56
  6. Step 6: Final answer
    x = 421,316.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.