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Finding the Fourth Proportional to 670,322.80, 925,051.47 and 364,399.76

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Solution

The fourth proportional to 670,322.80, 925,051.47 and 364,399.76 is: 502,874.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,322.80 : 925,051.47 = 364,399.76 : x
  2. Step 2: Convert to fraction form
    670,322.80/925,051.47 = 364,399.76/x
  3. Step 3: Cross multiply
    670,322.80x = 925,051.47 × 364,399.76
  4. Step 4: Simplify right side
    670,322.80x = 337,088,533,655.65
  5. Step 5: Solve for x
    x = 337,088,533,655.65/670,322.80
  6. Step 6: Final answer
    x = 502,874.94

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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.