Home / 736,781.06-1,105,126.40-433,343

Finding the Fourth Proportional to 736,781.06, 1,105,126.40 and 433,343

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Solution

The fourth proportional to 736,781.06, 1,105,126.40 and 433,343 is: 649,987.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,781.06 : 1,105,126.40 = 433,343 : x
  2. Step 2: Convert to fraction form
    736,781.06/1,105,126.40 = 433,343/x
  3. Step 3: Cross multiply
    736,781.06x = 1,105,126.40 × 433,343
  4. Step 4: Simplify right side
    736,781.06x = 478,898,789,555.20
  5. Step 5: Solve for x
    x = 478,898,789,555.20/736,781.06
  6. Step 6: Final answer
    x = 649,987.92

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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.