Home / 670,708.28-925,579.86-364,784.65

Finding the Fourth Proportional to 670,708.28, 925,579.86 and 364,784.65

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Solution

The fourth proportional to 670,708.28, 925,579.86 and 364,784.65 is: 503,404.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,708.28 : 925,579.86 = 364,784.65 : x
  2. Step 2: Convert to fraction form
    670,708.28/925,579.86 = 364,784.65/x
  3. Step 3: Cross multiply
    670,708.28x = 925,579.86 × 364,784.65
  4. Step 4: Simplify right side
    670,708.28x = 337,637,325,277.15
  5. Step 5: Solve for x
    x = 337,637,325,277.15/670,708.28
  6. Step 6: Final answer
    x = 503,404.14

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Double scale
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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.