Home / 702,947.30-1,054,420.95-670,288.10

Finding the Fourth Proportional to 702,947.30, 1,054,420.95 and 670,288.10

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Solution

The fourth proportional to 702,947.30, 1,054,420.95 and 670,288.10 is: 1,005,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,947.30 : 1,054,420.95 = 670,288.10 : x
  2. Step 2: Convert to fraction form
    702,947.30/1,054,420.95 = 670,288.10/x
  3. Step 3: Cross multiply
    702,947.30x = 1,054,420.95 × 670,288.10
  4. Step 4: Simplify right side
    702,947.30x = 706,765,815,175.70
  5. Step 5: Solve for x
    x = 706,765,815,175.70/702,947.30
  6. Step 6: Final answer
    x = 1,005,432.15

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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.