Home / 740,494.64-1,111,143.83-314,270.21

Finding the Fourth Proportional to 740,494.64, 1,111,143.83 and 314,270.21

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Solution

The fourth proportional to 740,494.64, 1,111,143.83 and 314,270.21 is: 471,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,494.64 : 1,111,143.83 = 314,270.21 : x
  2. Step 2: Convert to fraction form
    740,494.64/1,111,143.83 = 314,270.21/x
  3. Step 3: Cross multiply
    740,494.64x = 1,111,143.83 × 314,270.21
  4. Step 4: Simplify right side
    740,494.64x = 349,199,406,000.81
  5. Step 5: Solve for x
    x = 349,199,406,000.81/740,494.64
  6. Step 6: Final answer
    x = 471,575.87

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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.