Home / 979,551.30-1,467,358.65-660,686.70

Finding the Fourth Proportional to 979,551.30, 1,467,358.65 and 660,686.70

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Solution

The fourth proportional to 979,551.30, 1,467,358.65 and 660,686.70 is: 989,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,551.30 : 1,467,358.65 = 660,686.70 : x
  2. Step 2: Convert to fraction form
    979,551.30/1,467,358.65 = 660,686.70/x
  3. Step 3: Cross multiply
    979,551.30x = 1,467,358.65 × 660,686.70
  4. Step 4: Simplify right side
    979,551.30x = 969,464,344,184.96
  5. Step 5: Solve for x
    x = 969,464,344,184.96/979,551.30
  6. Step 6: Final answer
    x = 989,702.47

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1.5x scale

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.