Home / 906,510.30-1,359,765.45-670,314.30

Finding the Fourth Proportional to 906,510.30, 1,359,765.45 and 670,314.30

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Solution

The fourth proportional to 906,510.30, 1,359,765.45 and 670,314.30 is: 1,005,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,510.30 : 1,359,765.45 = 670,314.30 : x
  2. Step 2: Convert to fraction form
    906,510.30/1,359,765.45 = 670,314.30/x
  3. Step 3: Cross multiply
    906,510.30x = 1,359,765.45 × 670,314.30
  4. Step 4: Simplify right side
    906,510.30x = 911,470,225,780.94
  5. Step 5: Solve for x
    x = 911,470,225,780.94/906,510.30
  6. Step 6: Final answer
    x = 1,005,471.45

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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.