Home / 975,125.21-1,345,638.77-539,535.63

Finding the Fourth Proportional to 975,125.21, 1,345,638.77 and 539,535.63

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Solution

The fourth proportional to 975,125.21, 1,345,638.77 and 539,535.63 is: 744,540.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,125.21 : 1,345,638.77 = 539,535.63 : x
  2. Step 2: Convert to fraction form
    975,125.21/1,345,638.77 = 539,535.63/x
  3. Step 3: Cross multiply
    975,125.21x = 1,345,638.77 × 539,535.63
  4. Step 4: Simplify right side
    975,125.21x = 726,020,068,930.99
  5. Step 5: Solve for x
    x = 726,020,068,930.99/975,125.21
  6. Step 6: Final answer
    x = 744,540.36

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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.