Home / 646,914.60-971,538.30-625,919.40

Finding the Fourth Proportional to 646,914.60, 971,538.30 and 625,919.40

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Solution

The fourth proportional to 646,914.60, 971,538.30 and 625,919.40 is: 940,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,914.60 : 971,538.30 = 625,919.40 : x
  2. Step 2: Convert to fraction form
    646,914.60/971,538.30 = 625,919.40/x
  3. Step 3: Cross multiply
    646,914.60x = 971,538.30 × 625,919.40
  4. Step 4: Simplify right side
    646,914.60x = 608,104,669,813.02
  5. Step 5: Solve for x
    x = 608,104,669,813.02/646,914.60
  6. Step 6: Final answer
    x = 940,007.65

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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.