Home / 740,396.79-1,110,374.20-313,925.41

Finding the Fourth Proportional to 740,396.79, 1,110,374.20 and 313,925.41

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Solution

The fourth proportional to 740,396.79, 1,110,374.20 and 313,925.41 is: 470,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,396.79 : 1,110,374.20 = 313,925.41 : x
  2. Step 2: Convert to fraction form
    740,396.79/1,110,374.20 = 313,925.41/x
  3. Step 3: Cross multiply
    740,396.79x = 1,110,374.20 × 313,925.41
  4. Step 4: Simplify right side
    740,396.79x = 348,574,675,988.42
  5. Step 5: Solve for x
    x = 348,574,675,988.42/740,396.79
  6. Step 6: Final answer
    x = 470,794.42

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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.