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Finding the Fourth Proportional to 670,390.05, 925,156.51 and 364,487.01

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Solution

The fourth proportional to 670,390.05, 925,156.51 and 364,487.01 is: 503,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,390.05 : 925,156.51 = 364,487.01 : x
  2. Step 2: Convert to fraction form
    670,390.05/925,156.51 = 364,487.01/x
  3. Step 3: Cross multiply
    670,390.05x = 925,156.51 × 364,487.01
  4. Step 4: Simplify right side
    670,390.05x = 337,207,534,562.51
  5. Step 5: Solve for x
    x = 337,207,534,562.51/670,390.05
  6. Step 6: Final answer
    x = 503,002.00

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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.