Home / 802,938.06-1,108,068.71-440,358.75

Finding the Fourth Proportional to 802,938.06, 1,108,068.71 and 440,358.75

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Solution

The fourth proportional to 802,938.06, 1,108,068.71 and 440,358.75 is: 607,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,938.06 : 1,108,068.71 = 440,358.75 : x
  2. Step 2: Convert to fraction form
    802,938.06/1,108,068.71 = 440,358.75/x
  3. Step 3: Cross multiply
    802,938.06x = 1,108,068.71 × 440,358.75
  4. Step 4: Simplify right side
    802,938.06x = 487,947,749,847.92
  5. Step 5: Solve for x
    x = 487,947,749,847.92/802,938.06
  6. Step 6: Final answer
    x = 607,702.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.