Home / 740,368.07-1,110,619.88-207,885.51

Finding the Fourth Proportional to 740,368.07, 1,110,619.88 and 207,885.51

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Solution

The fourth proportional to 740,368.07, 1,110,619.88 and 207,885.51 is: 311,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,368.07 : 1,110,619.88 = 207,885.51 : x
  2. Step 2: Convert to fraction form
    740,368.07/1,110,619.88 = 207,885.51/x
  3. Step 3: Cross multiply
    740,368.07x = 1,110,619.88 × 207,885.51
  4. Step 4: Simplify right side
    740,368.07x = 230,881,783,618.38
  5. Step 5: Solve for x
    x = 230,881,783,618.38/740,368.07
  6. Step 6: Final answer
    x = 311,847.30

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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.