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Finding the Fourth Proportional to 406,298.17, 560,784.78 and 270,337.84

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Solution

The fourth proportional to 406,298.17, 560,784.78 and 270,337.84 is: 373,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,298.17 : 560,784.78 = 270,337.84 : x
  2. Step 2: Convert to fraction form
    406,298.17/560,784.78 = 270,337.84/x
  3. Step 3: Cross multiply
    406,298.17x = 560,784.78 × 270,337.84
  4. Step 4: Simplify right side
    406,298.17x = 151,601,346,130.08
  5. Step 5: Solve for x
    x = 151,601,346,130.08/406,298.17
  6. Step 6: Final answer
    x = 373,128.30

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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.