Home / 670,455.19-1,005,018.48-314,832.59

Finding the Fourth Proportional to 670,455.19, 1,005,018.48 and 314,832.59

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Solution

The fourth proportional to 670,455.19, 1,005,018.48 and 314,832.59 is: 471,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,455.19 : 1,005,018.48 = 314,832.59 : x
  2. Step 2: Convert to fraction form
    670,455.19/1,005,018.48 = 314,832.59/x
  3. Step 3: Cross multiply
    670,455.19x = 1,005,018.48 × 314,832.59
  4. Step 4: Simplify right side
    670,455.19x = 316,412,571,056.26
  5. Step 5: Solve for x
    x = 316,412,571,056.26/670,455.19
  6. Step 6: Final answer
    x = 471,936.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.