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Finding the Fourth Proportional to 670,504.64, 925,307.92 and 364,583.06

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Solution

The fourth proportional to 670,504.64, 925,307.92 and 364,583.06 is: 503,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,504.64 : 925,307.92 = 364,583.06 : x
  2. Step 2: Convert to fraction form
    670,504.64/925,307.92 = 364,583.06/x
  3. Step 3: Cross multiply
    670,504.64x = 925,307.92 × 364,583.06
  4. Step 4: Simplify right side
    670,504.64x = 337,351,592,214.93
  5. Step 5: Solve for x
    x = 337,351,592,214.93/670,504.64
  6. Step 6: Final answer
    x = 503,130.89

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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.