Home / 670,461.18-1,005,027.48-314,838.60

Finding the Fourth Proportional to 670,461.18, 1,005,027.48 and 314,838.60

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Solution

The fourth proportional to 670,461.18, 1,005,027.48 and 314,838.60 is: 471,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,461.18 : 1,005,027.48 = 314,838.60 : x
  2. Step 2: Convert to fraction form
    670,461.18/1,005,027.48 = 314,838.60/x
  3. Step 3: Cross multiply
    670,461.18x = 1,005,027.48 × 314,838.60
  4. Step 4: Simplify right side
    670,461.18x = 316,421,444,764.73
  5. Step 5: Solve for x
    x = 316,421,444,764.73/670,461.18
  6. Step 6: Final answer
    x = 471,945.96

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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.