Home / 855,613.70-1,180,747.25-468,454.21

Finding the Fourth Proportional to 855,613.70, 1,180,747.25 and 468,454.21

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Solution

The fourth proportional to 855,613.70, 1,180,747.25 and 468,454.21 is: 646,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,613.70 : 1,180,747.25 = 468,454.21 : x
  2. Step 2: Convert to fraction form
    855,613.70/1,180,747.25 = 468,454.21/x
  3. Step 3: Cross multiply
    855,613.70x = 1,180,747.25 × 468,454.21
  4. Step 4: Simplify right side
    855,613.70x = 553,126,011,962.42
  5. Step 5: Solve for x
    x = 553,126,011,962.42/855,613.70
  6. Step 6: Final answer
    x = 646,466.99

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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.