Home / 745,271.72-1,117,908.10-239,832.60

Finding the Fourth Proportional to 745,271.72, 1,117,908.10 and 239,832.60

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Solution

The fourth proportional to 745,271.72, 1,117,908.10 and 239,832.60 is: 359,749.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,271.72 : 1,117,908.10 = 239,832.60 : x
  2. Step 2: Convert to fraction form
    745,271.72/1,117,908.10 = 239,832.60/x
  3. Step 3: Cross multiply
    745,271.72x = 1,117,908.10 × 239,832.60
  4. Step 4: Simplify right side
    745,271.72x = 268,110,806,184.06
  5. Step 5: Solve for x
    x = 268,110,806,184.06/745,271.72
  6. Step 6: Final answer
    x = 359,749.07

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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.