Home / 974,139.70-1,461,209.55-442,698.70

Finding the Fourth Proportional to 974,139.70, 1,461,209.55 and 442,698.70

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Solution

The fourth proportional to 974,139.70, 1,461,209.55 and 442,698.70 is: 664,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,139.70 : 1,461,209.55 = 442,698.70 : x
  2. Step 2: Convert to fraction form
    974,139.70/1,461,209.55 = 442,698.70/x
  3. Step 3: Cross multiply
    974,139.70x = 1,461,209.55 × 442,698.70
  4. Step 4: Simplify right side
    974,139.70x = 646,875,568,212.59
  5. Step 5: Solve for x
    x = 646,875,568,212.59/974,139.70
  6. Step 6: Final answer
    x = 664,048.05

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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.