Home / 646,289.13-969,433.95-645,355.22

Finding the Fourth Proportional to 646,289.13, 969,433.95 and 645,355.22

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Solution

The fourth proportional to 646,289.13, 969,433.95 and 645,355.22 is: 968,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,289.13 : 969,433.95 = 645,355.22 : x
  2. Step 2: Convert to fraction form
    646,289.13/969,433.95 = 645,355.22/x
  3. Step 3: Cross multiply
    646,289.13x = 969,433.95 × 645,355.22
  4. Step 4: Simplify right side
    646,289.13x = 625,629,260,077.72
  5. Step 5: Solve for x
    x = 625,629,260,077.72/646,289.13
  6. Step 6: Final answer
    x = 968,033.08

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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.