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Finding the Fourth Proportional to 670,122.54, 924,776.27 and 364,198.91

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Solution

The fourth proportional to 670,122.54, 924,776.27 and 364,198.91 is: 502,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,122.54 : 924,776.27 = 364,198.91 : x
  2. Step 2: Convert to fraction form
    670,122.54/924,776.27 = 364,198.91/x
  3. Step 3: Cross multiply
    670,122.54x = 924,776.27 × 364,198.91
  4. Step 4: Simplify right side
    670,122.54x = 336,802,503,082.99
  5. Step 5: Solve for x
    x = 336,802,503,082.99/670,122.54
  6. Step 6: Final answer
    x = 502,598.38

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Double scale
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Similar ratio
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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.