Home / 526,520.20-788,225.10-349,227.40

Finding the Fourth Proportional to 526,520.20, 788,225.10 and 349,227.40

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Solution

The fourth proportional to 526,520.20, 788,225.10 and 349,227.40 is: 522,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,520.20 : 788,225.10 = 349,227.40 : x
  2. Step 2: Convert to fraction form
    526,520.20/788,225.10 = 349,227.40/x
  3. Step 3: Cross multiply
    526,520.20x = 788,225.10 × 349,227.40
  4. Step 4: Simplify right side
    526,520.20x = 275,269,802,287.74
  5. Step 5: Solve for x
    x = 275,269,802,287.74/526,520.20
  6. Step 6: Final answer
    x = 522,809.58

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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.