Home / 740,801.04-1,110,438.78-291,339.72

Finding the Fourth Proportional to 740,801.04, 1,110,438.78 and 291,339.72

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Solution

The fourth proportional to 740,801.04, 1,110,438.78 and 291,339.72 is: 436,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,801.04 : 1,110,438.78 = 291,339.72 : x
  2. Step 2: Convert to fraction form
    740,801.04/1,110,438.78 = 291,339.72/x
  3. Step 3: Cross multiply
    740,801.04x = 1,110,438.78 × 291,339.72
  4. Step 4: Simplify right side
    740,801.04x = 323,514,923,242.34
  5. Step 5: Solve for x
    x = 323,514,923,242.34/740,801.04
  6. Step 6: Final answer
    x = 436,709.60

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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.