Home / 768,018.08-1,152,221.52-235,566.20

Finding the Fourth Proportional to 768,018.08, 1,152,221.52 and 235,566.20

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Solution

The fourth proportional to 768,018.08, 1,152,221.52 and 235,566.20 is: 353,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,018.08 : 1,152,221.52 = 235,566.20 : x
  2. Step 2: Convert to fraction form
    768,018.08/1,152,221.52 = 235,566.20/x
  3. Step 3: Cross multiply
    768,018.08x = 1,152,221.52 × 235,566.20
  4. Step 4: Simplify right side
    768,018.08x = 271,424,445,024.62
  5. Step 5: Solve for x
    x = 271,424,445,024.62/768,018.08
  6. Step 6: Final answer
    x = 353,408.93

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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.