Home / 756,354.30-1,043,768.95-416,822.55

Finding the Fourth Proportional to 756,354.30, 1,043,768.95 and 416,822.55

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Solution

The fourth proportional to 756,354.30, 1,043,768.95 and 416,822.55 is: 575,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,354.30 : 1,043,768.95 = 416,822.55 : x
  2. Step 2: Convert to fraction form
    756,354.30/1,043,768.95 = 416,822.55/x
  3. Step 3: Cross multiply
    756,354.30x = 1,043,768.95 × 416,822.55
  4. Step 4: Simplify right side
    756,354.30x = 435,066,435,349.82
  5. Step 5: Solve for x
    x = 435,066,435,349.82/756,354.30
  6. Step 6: Final answer
    x = 575,215.13

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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.