Home / 974,885.73-1,345,378.95-545,164.80

Finding the Fourth Proportional to 974,885.73, 1,345,378.95 and 545,164.80

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Solution

The fourth proportional to 974,885.73, 1,345,378.95 and 545,164.80 is: 752,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,885.73 : 1,345,378.95 = 545,164.80 : x
  2. Step 2: Convert to fraction form
    974,885.73/1,345,378.95 = 545,164.80/x
  3. Step 3: Cross multiply
    974,885.73x = 1,345,378.95 × 545,164.80
  4. Step 4: Simplify right side
    974,885.73x = 733,453,246,200.96
  5. Step 5: Solve for x
    x = 733,453,246,200.96/974,885.73
  6. Step 6: Final answer
    x = 752,347.91

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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.