Home / 739,543.24-1,021,191.78-468,090.01

Finding the Fourth Proportional to 739,543.24, 1,021,191.78 and 468,090.01

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Solution

The fourth proportional to 739,543.24, 1,021,191.78 and 468,090.01 is: 646,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,543.24 : 1,021,191.78 = 468,090.01 : x
  2. Step 2: Convert to fraction form
    739,543.24/1,021,191.78 = 468,090.01/x
  3. Step 3: Cross multiply
    739,543.24x = 1,021,191.78 × 468,090.01
  4. Step 4: Simplify right side
    739,543.24x = 478,009,670,512.12
  5. Step 5: Solve for x
    x = 478,009,670,512.12/739,543.24
  6. Step 6: Final answer
    x = 646,357.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.